WPBS-DT

During The Queen's final years rifts appear between heirs and spares; Prince Harry has left the country and Prince Andrew has been stripped of his HRH title.

Science, health, technology and environment experts and professionals address issues such as artificial intelligence, medicine and climate science.

Broadcast weekly from the Salt Lake Tabernacle in Salt Lake City, Utah, the program primarily features performances of music by Tabernacle Choir -often accompanied by the Salt Lake Tabernacle organ and the Orchestra at Temple Square.

An old-fashioned convention-styled gospel sing-along captures messages of joy, encouragement and faith; songs include "Jesus, Hold My Hand," "Lord, Lead Me On," "Where No One Stands Alone" and "He's a Personal Savior.".

Lydia and Ruby cannot seem to see eye-to-eye, with their disagreement continuing through the first monsoon of the season. Maggie's health keeps declining, with the result of her final wish remaining uncertain.

Father Brown investigates when his old friend Sister Boniface is implicated in the murder of a renowned artist.

An expectant father receives a life-threatening diagnosis; Trixie assists a female wrestler after a headlock goes wrong; Dr. Turner learns shocking news that implicates the future of the maternity house.

Soames commissions a country house despite Irene's distress; as Louisa faces a fresh start, Jo decides his future; Ann reveals a dark secret.

In Paris high society, Edmond meddles in the lives of those he wishes to destroy; Edmond struggles to conceal his identity from Mercedes.

When a dumpster dive for waste food results in a young man being poisoned, Nina and Lukas connect the case to the murder of a prostitute.

An expectant father receives a life-threatening diagnosis; Trixie assists a female wrestler after a headlock goes wrong; Dr. Turner learns shocking news that implicates the future of the maternity house.

Soames commissions a country house despite Irene's distress; as Louisa faces a fresh start, Jo decides his future; Ann reveals a dark secret.

In Paris high society, Edmond meddles in the lives of those he wishes to destroy; Edmond struggles to conceal his identity from Mercedes.

Exploring the layered sounds of Istanbul where empires met from European classical music to modern jazz.

Jazz and blues musicians from around the globe gather to celebrate the power of music; host Jeremy Irons.

Actors Ted Danson, Mary Steenburgen and William H. Macy trace their nonconformist ancestors back to the Puritan establishment.

A workout to loosen and liberate the entire back.

A fluid sequence incorporating the Moon Salutation offers a chance to slow down and connect to some inner quiet.

A power suit malfunction turns Martin into an oak tree.

Benny becomes enamored with the mail carrier, and wonders how she delivers the mail in different weather conditions.

Lyla overcomes her fear of rock-climbing; a riddle game about everyday objects made by Black inventors.

Carl and Nico argue over who gets Arugula as their magician's assistant; Sheldon tries to help Carl become a good listener.

Jodi is nervous about her first day at a new school, but Daniel Tiger helps her feel comfortable; Daniel is nervous playing at Jodi's house, until he finds blueberries, which make him feel better.

Phoebe and Jay use a checklist to guide them through their tasks; Jay creates his first comic book and learns about the importance of page order.

Elmo tries to win a race without eating his sandwich, but learns that eating healthy food will give him energy; Cookie Monster tries to eat the sandwich for himself.

The search for Mr. Splendito tickets is on; the Wombats power-clean a bunch of bikes.

The pals want to hear the Yodel Birds sing, but they must build them a rest nest first; Donkey and Duck Duck want to cool everyone off with lemonade.

Rosie and Javi make flowerpots using repurposed items for the Robot Picnic; Rosie and Javi open a car wash to clean Iggy's ride-on car.

The kids learn the best way to slide down a hill; Ari and his friends learn the importance of oral health after Ari forgets to brush his teeth.

Pablo is disappointed that his favorite author is unable to visit, so the gang puts on a performance to cheer him up; Tucker needs to overcome his fears so he can become an official fire dog.

Three fruit-loving animals tell Sally and Nick about their tricks and treats; King Cecil the Seahorse takes his babies wherever he goes.

Blocking out a dragonfly, then blending in the background.

The top six machine features to look for in an embroidery machine; using appropriate stabilizers; types and categories of designs; using design templates and positioning aides to get the design to stitch in a precise location.

Braciole; angel hair pasta; scrub brushes; pasta with burst cherry tomato sauce and fried caper crumbs.

Parish chairwoman Lois Springfield is found dead in a theater, leading detectives to believe it is because of her hostility toward a drag show being organized.

Parish chairwoman Lois Springfield is found dead in a theater, leading detectives to believe it is because of her hostility toward a drag show being organized.

A regular panel of guests from across the political spectrum discuss the biggest international stories of the day.

Live news program produced out of BBC's Washington, D.C. bureau; host Sumi Somaskanda.

Co-anchors Amna Nawaz and Geoff Bennett and correspondents offer in-depth analysis of current events.

Discovering seafaring cultures while sailing aboard the Seabourn Venture in Iceland and Greenland; walking in the footsteps of Erik the Red; a polar plunge into the Arctic Ocean.

Creating your own low maintenance, sustainable perennial home-producing forest garden with host Dani Baker.

An Andrew Clemens sand bottle circa 1885; a 1933 Goudey baseball card set 239/240; a Joan Miró pencil on paper circa 1965.

An antique dealer is shot with an air rifle; Marlene and Callum inform his archaeologist girlfriend, who reveals she called 999 when someone tried to steal ancient coins from her dig.

A social media sensation married to the owner of an upmarket Chelsea eatery vanishes; Max finds himself embroiled in explosive family politics.

Christiane Amanpour leads discussions about world issues and interviews with global leaders.

An Andrew Clemens sand bottle circa 1885; a 1933 Goudey baseball card set 239/240; a Joan Miró pencil on paper circa 1965.

British General Howe defeats General Washington, forcing the Americans to abandon New York; Washington's army regroups in New Jersey before attacking an outpost at Trenton.

An expectant father receives a life-threatening diagnosis; Trixie assists a female wrestler after a headlock goes wrong; Dr. Turner learns shocking news that implicates the future of the maternity house.

Soames commissions a country house despite Irene's distress; as Louisa faces a fresh start, Jo decides his future; Ann reveals a dark secret.

In Paris high society, Edmond meddles in the lives of those he wishes to destroy; Edmond struggles to conceal his identity from Mercedes.

A full-body workout with a focus on upper body strength.

Chair yoga slowly builds strength and flexibility over time, and is something that can be practiced in an office or while traveling.

The Kratt Bros. discover there is an old wily orca who only eats large sharks; they find this hard to believe, so with the help of Aviva's dolphin decoder, modified to speak orca, the Wild Kratts go in search of the orca who likes sharks.

Lily and her family discover a surprise and also embark on a weather hunting expedition.

Lyla and a new friend build a spaceship; Lyla learns her sisters can predict what the other wants, so she tries to do the same with Luke.

Carl loves the new sweater his Pop Pop knit him, but it feels itchy when he wears it; Carl is nervous about his new school bus stop.

Daniel is nervous about going to gymnastics; Daniel and O the Owl are excited to ride the big slide.

Phoebe learns what privacy signs are and how to use them to communicate to neighbors; Jay gets nervous about getting a haircut.

Rudy is afraid of getting a shot at the doctor's office, so Nina and Abby play pretend to show what the visit will be like so he can feel less scared.

Mr. E has a lot of ping-pong balls and the survey says that he should sell the purple ones; Super's lost her glasses and the Lost and Found Patrol try to find them.

Duck wants to fly with the bigger birds; Donkey loses Bob Dog's favorite toy.

Rosie wants Javi's popcorn for family movie night, so she tries to find the perfect trade; Rosie makes a seashell museum at the beach.

While delivering chocolates, the kids learn that warmer temperatures can melt treats; the kids help Mr. Raccoon calm down when he is having a bad day.

Everyone pretends to be race cars in the mud except for Tucker, who is afraid of the bath he would have to take later; everyone works together to make a movie for Outdoor Movie Night.

Nick and Sally learn about animals with stripes; Nick and Sally head to the farm to find more wool.

The beauty of a robust waterfall.

A one-block design that relies on floppy corners, ombre fabric and floating stars.

Pecan-stuffed zucchini boats served with maple sweet potatoes; happy apple cake.

Sabotage and gambling result in a murder; Foyle searches for the mother of a traumatized boy.

A regular panel of guests from across the political spectrum discuss the biggest international stories of the day.

Live news program produced out of BBC's Washington, D.C. bureau; host Sumi Somaskanda.

Co-anchors Amna Nawaz and Geoff Bennett and correspondents offer in-depth analysis of current events.

Local volunteers have provided the creation for many non-profit organizations and groups.

A model boat maker replicates the Edmund Fitzgerald; the art of Stop Motion; a recipe for onion Pakora from One World Kitchen; Hydroponic farming in the North Country.

Rebecca Hall and Lee Daniels research their family histories.

Filmmaker Julie Wyman explores dwarfism and belonging through personal stories, creative collaborations and medical debates that challenge ideas of normalcy.

Christiane Amanpour leads discussions about world issues and interviews with global leaders.

Rebecca Hall and Lee Daniels research their family histories.

General Howe takes Philadelphia, but the Americans' surprising victory over General Burgoyne at Saratoga encourages France to support the U.S.

Researching the identity of America's first peoples leads to Amazonian cave paintings, Mexican burial chambers, New Mexico's Chaco Canyon and waves off California's coast.

The rise of great American nations, from monarchies to democracies; lost cities in Mexico; a temple in Peru; a potlatch ceremony in the Pacific Northwest; shell beads in upstate New York.

An Andrew Clemens sand bottle circa 1885; a 1933 Goudey baseball card set 239/240; a Joan Miró pencil on paper circa 1965.

A workout focusing on the back, core and knees helping to relieve any pain or discomfort.

Practicing vinyasa, moving fluidly with the breath.

A giraffe takes Creature Power Suit parts and supplies from the Tortuga.

The Hunters find a stowaway in their picnic basket, a little furry dog.

Liana accidentally submits art that Stu made and feels guilty taking the credit for his work; Lyla and Luke perform an "Anansi" folktale puppet show.

Carl surprises Sheldon with a lemonade stand, but is confused when Sheldon runs off; Carl's caterpillars turn into butterflies.

Daniel Tiger's treat from Prince Tuesday's fruity ice treat cart starts to melt when he becomes distracted by all the other flavors.

Jay and Lupe use wayfinding signs to track down Phoebe; Pete and Craig face an epic hoops battle on the courts.

When Oscar tries to find someone disappointed by his disappoint-o-meter, he accidentally makes them happy.

When Bex removes her cochlear implant and hearing aid so she can go on the waterslide, Sammy and the Wombats find new ways to communicate; the Wombats love Leiko's new mural.

Donkey Hodie and pals help Purple Panda celebrate his first Halloween in Someplace Else.

Rosie tries to be a reporter but has trouble finding things that are newsworthy; Rosie and Jun believe there is a jalapeno giant on the loose.

Elinor and her dad learn how to make their own chocolate; after accidentally breaking a jade plant, the kids learn how the plant grows.

Emily Elizabeth, Clifford and friends set up a lemonade stand to raise money to buy new soccer jerseys; Emily Elizabeth and her friends pretend to be animals on their way to the watering hole.

The kids meet a honey guide bird; the kids go to the Leafylafoo Rainforest.

Exploring the creative mindset of desert painting with Gary Ernest Smith, Brett Allen Johnson and Logan Maxwell Hagege.

Adding drama and serenity to the backyard while keeping family-friendly spaces intact.

Reggie Bush and his wife, Lilit, recreate Reggie's ultimate late night treat; a cocktail to shake things up.

An expectant father receives a life-threatening diagnosis; Trixie assists a female wrestler after a headlock goes wrong; Dr. Turner learns shocking news that implicates the future of the maternity house.

Soames commissions a country house despite Irene's distress; as Louisa faces a fresh start, Jo decides his future; Ann reveals a dark secret.

A regular panel of guests from across the political spectrum discuss the biggest international stories of the day.

Live news program produced out of BBC's Washington, D.C. bureau; host Sumi Somaskanda.

Co-anchors Amna Nawaz and Geoff Bennett and correspondents offer in-depth analysis of current events.

Travels through Italy include Venice and Florence; the Italian Riviera and the hill towns of Tuscany and Umbria; the historical epicenter of Rome; Naples; the Amalfi Coast; Sicily.

Exploring the International Motor Racing Research Center at Watkins Glen, a world class library and archive that serves as a destination for hundreds of scholars, journalists, authors and filmmakers from around the globe.

Exploring the unique evolutionary journey of woodpeckers and the role they play in every ecosystem, except Antarctica and Australia.

Archaeological investigations into the origins of democracy in Greece 2,500 years ago; mass graves and ancient ruins where tyrants were murdered shine light on the birth of a revolutionary form of government.

From New York to Kolkata, dicovering the surprising and beneficial ways urban wildlife transforms cities into thriving, shared ecosystems.

Christiane Amanpour leads discussions about world issues and interviews with global leaders.

Exploring the unique evolutionary journey of woodpeckers and the role they play in every ecosystem, except Antarctica and Australia.

Archaeological investigations into the origins of democracy in Greece 2,500 years ago; mass graves and ancient ruins where tyrants were murdered shine light on the birth of a revolutionary form of government.

From New York to Kolkata, dicovering the surprising and beneficial ways urban wildlife transforms cities into thriving, shared ecosystems.

Exploring America's ancient cities; a lost city on the Mississippi River; native elders reveal ancient powers of the sky.

Examples of resistance, survival and revival are revealed through horse-mounted Comanche warriors, secret messages in an Aztec manuscript and a grass bridge in the Andes.

Rebecca Hall and Lee Daniels research their family histories.

Relieving tension in the lower back with posture and hip isolation exercises.

Gravity and direction transform subtle breaths into a moving meditation.

The Kratt brothers use a new archery skill to rescue baby animals from Donita Donata's yacht.

The Hunters search for a way to monitor the weather after they lose power during a thunderstorm.

Lyla has to help multiple people but rushes each task, which makes things worse; Lyla must use her left hand after hurting her right wrist.

Carl takes his friends on an "Amazing Smell Tour of Fuzzytown," but Lotta doesn't agree with Carl's list of the best smells; Carl and his friends go on a camping trip.

Daniel takes a spoon away from Margaret, which makes her cry; Teacher Harriet explains that you should ask first before taking something away from someone.

Phoebe and Jay use Miss Jean's field guide to identify their new butterfly friend; Phoebe gets courage to perform at the talent show.

Elmo tries to win a race without eating his sandwich, but learns that eating healthy food will give him energy; Cookie Monster tries to eat the sandwich for himself.

The Wombats build a Cause and Effect machine; Super's best friend Chanaa pays a visit.

Donkey and Panda have different ideas about how to celebrate Best Friends Day; while getting ready to make big art, the pals get stuck to a big glue bottle.

Rosie and Javi learn how people did things before there was electricity after a storm causes a power outage; Rosie learns to use tools from nature during a family camping trip.

While delivering chocolates, the kids learn that warmer temperatures can melt treats; the kids help Mr. Raccoon calm down when he is having a bad day.

Emily Elizabeth makes drawings on paper airplanes for Aunt Violet, but they all scatter when Aunt Violet's plane comes in to land on Birdwell Island.

With the help of three different animals, Nick and Sally learn that a wild guinea pig's favorite game is hide and seek; Nick and Sally learn how to play on water.

Staying focused while distracted; how to use the equipment outdoors; making adjustments while sketching; choosing and isolating a focal point.

How to"quilt" paper creations; using a new non-woven substrate.

Specialties from the Ionian island of Zakynthos to the Aegean island of Tinos; Zakynthos chicken sartsa; artichoke moussaka; feta mashed potatoes; spanakopita grilled cheese.

An Andrew Clemens sand bottle circa 1885; a 1933 Goudey baseball card set 239/240; a Joan Miró pencil on paper circa 1965.

Exploring the unique evolutionary journey of woodpeckers and the role they play in every ecosystem, except Antarctica and Australia.

A regular panel of guests from across the political spectrum discuss the biggest international stories of the day.

Live news program produced out of BBC's Washington, D.C. bureau; host Sumi Somaskanda.

Co-anchors Amna Nawaz and Geoff Bennett and correspondents offer in-depth analysis of current events.

Exploring Iceland's rugged and unique landscapes, from icebergs on black sand at Diamond Beach to a fresh lava field.

A fun cooking show covering food, cocktails and how to throw the perfect party.

A crossword puzzle is found on a murder victim, and the police seek help from crossword queen Cora.

The killer is still at large, and Cora hunts down her main suspects while the police are stumped.

Gently and Bacchus investigate after the body of a well-known left-wing academic is found by the docks.

Christiane Amanpour leads discussions about world issues and interviews with global leaders.

Kevin demos a wall in the primary bedroom; framing an exterior wall to tie old and new spaces together; reviewing shared plumbing for the ADU; burying a new 400-amp service to feed both homes.

Turning a flower vase on the lathe; how to start seeds indoors for spring; breaking down common mortar cracks in fireplace hearths and surrounds; upgrading a garage door opener by adding a Wi-Fi hub.

The automobile brings new freedoms as well as perils to Blacks on the road from the 1930s to the late 1960s.

From New York to Kolkata, dicovering the surprising and beneficial ways urban wildlife transforms cities into thriving, shared ecosystems.

Exploring the unique evolutionary journey of woodpeckers and the role they play in every ecosystem, except Antarctica and Australia.

Archaeological investigations into the origins of democracy in Greece 2,500 years ago; mass graves and ancient ruins where tyrants were murdered shine light on the birth of a revolutionary form of government.

An all-standing, full-body workout that focuses on slenderizing the waist.

Seated and standing poses for shoulders, chest, back, hips, hamstrings and more; toning, strengthening, improving balance, increasing flexibility and reducing stress.

Martin and Chris spot a hermit crab on the beach.

A foggy Halloween almost derails Corky and Lily's trick-or-treating.

Everett faces his fear of water by taking a swimming lesson; Lyla doesn't want Miss Emmaline to move.

Lotta is determined to show Skyler that she is more than just "headphone girl"; the new kid in school causes a hullabaloo on the playground.

Daniel uses a different bathroom at the train station and Juan uses the bathroom at the Music Shop; O uses the bathroom at Jodi's house.

Phoebe and Jay are asked to bird sit; photo time leads Jay to an outfit disaster.

Elmo, Tamir and their friends are making a Peace Tree to celebrate Martin Luther King Jr. Day.

Ronald, a meticulous, rule-following pig, and Roxy, a free-spirited musical hedgehog, explore the "wows" of one of America's most extraordinary places -- Sequoia National Park.

Harriett encourages Donkey to try using clay in art class; Donkey and Panda do kind things all day.

Rosie and her friends pretend to be pirates, but they need a globe to plan a route around the world; June and Rosie plan a virtual breakfast.

Elinor and her dad learn how to make their own chocolate; after accidentally breaking a jade plant, the kids learn how the plant grows.

The kids pretend to be mountain climbers and overcome pretend obstacles; Emily Elizabeth finds a creative way for Clifford to play hide-and-seek.

Nick and Sally learn the difference between natural garbage and man made garbage; meet three creatures who conserve water in the desert.

Painting the stones and miscellaneous details on the bridge; painting highlights on the rocks and tree trunks; adding tree limbs and details along the shoreline and pathway.

Making homemade blackberry basil ice cream following a day on the lake.

Moussaka; purslane and herb salad; Greek yogurt baklava soft serve.

Lydia and Ruby cannot seem to see eye-to-eye, with their disagreement continuing through the first monsoon of the season. Maggie's health keeps declining, with the result of her final wish remaining uncertain.

Father Brown investigates when his old friend Sister Boniface is implicated in the murder of a renowned artist.

A regular panel of guests from across the political spectrum discuss the biggest international stories of the day.

Live news program produced out of BBC's Washington, D.C. bureau; host Sumi Somaskanda.

Co-anchors Amna Nawaz and Geoff Bennett and correspondents offer in-depth analysis of current events.

John Katko strives to bring balance to discussions on divisive political issues.

Journalists discuss New York state politics and government.

A panel of journalists provides reporting and analysis of the major stories emanating from the United States capital.

Margaret Hoover leads interviews and debates.

Uncovering how volcanoes and tight-knit communities inspire its artists.

Scott Yoo's journey composing a piece of music for the first time; Yoo revisits his heritage in search of ideas, performs landmark pieces and tests his work in progress.

Christiane Amanpour leads discussions about world issues and interviews with global leaders.

A panel of journalists provides reporting and analysis of the major stories emanating from the United States capital.

Margaret Hoover leads interviews and debates.

Uncovering how volcanoes and tight-knit communities inspire its artists.

Scott Yoo's journey composing a piece of music for the first time; Yoo revisits his heritage in search of ideas, performs landmark pieces and tests his work in progress.

Artists whose environments are filled with meaning and metaphor; featuring Syd Carpenter, Helen Drutt, Wharton Esherick, Biskakone Greg Johnson and more.

Tracing the 400-year evolution of Broadway in New York, from its beginnings as a Native American road to the electrically-lighted theater district known as the "Great White Way"; riding from Boston to New York on a dirt "highway.".

Comic Brian Conley and broadcaster Nick Owen hunt for antiques in Shropshire and Worcestershire; assisting Nick is auctioneer Philip Serrell, while jewelry and gem expert Kate Bliss helps Brian.

An Arkansas farm family uses technology to keep prices down for consumers; a peanut harvest in Georgia; mules; raising cacti.

Breaking down an old Great Lakes freighter; feeding the crew of a 1,000-foot-long freighter; news from around the Great Lakes.

A model boat maker replicates the Edmund Fitzgerald; the art of Stop Motion; a recipe for onion Pakora from One World Kitchen; Hydroponic farming in the North Country.

We take a trip to Virginia to the 50th Anniversary of the Morgan Car Club as they put on a concours event at Luray Caverns, then we visit a classic car show in rural Ontario.

The Subaru Crosstrek Hybrid; the Mazda CX-50 Turbo Carbon Edition; "Your Drive" car care.

A gardener explains how she cut back her overgrown garden.

Using herbs in drinks.

Windsor chairmaker Greg Pennington, a master teacher of the art and influencer at the center of a specialized genre of woodworking.

Turning a flower vase on the lathe; how to start seeds indoors for spring; breaking down common mortar cracks in fireplace hearths and surrounds; upgrading a garage door opener by adding a Wi-Fi hub.

Kevin demos a wall in the primary bedroom; framing an exterior wall to tie old and new spaces together; reviewing shared plumbing for the ADU; burying a new 400-amp service to feed both homes.

Making hats in Texas.

The crew walks through the process to build a bench that can stand up to anything and look great at the same time.

Tom repairs an old dining room built-in with hand tools and a bar of soap; the team shares more home inspection nightmares; Heath Eastman makes his first house call to install a chandelier in a homeowner's dining room.

Tom checks out a women-only DIY class; Jenn helps a homeowner select, place, and install plants for her terraced garden; the ways homeowners and contractors should communicate to set appropriate expectations for home improvement projects.

Crab and shrimp stew; reviewing gyuto knives; fresh salmon burgers with Sriracha mayonnaise.

Groce Family Farm in English, Ind.; spatchcocked turkey with butternut squash puree; late fall market salad with torn croutons.

The barbecue traditions of Lockhart, Texas; cooking barbecued chuck roast; the origins of ranch dressing; preparing tomatillo and Bibb lettuce salad with tomatillo ranch.

Cannellini pesto dip and a crudités spread; spaghetti primavera with zucchini, green beans, peas and asparagus; spinach, bread and ricotta frittata.

Portuguese sponge cake; Madeiran pork with wine and garlic; garlic and cilantro soup with chickpeas, thickened with toasted bread and topped with soft-cooked eggs.

Focusing on only one ingredient.

The bridge connects the United States and Canada.

Experts analyze prominent international affairs topics and America's role in a shifting world.

Traveling along the Wild Atlantic Way, stops include Killybegs and Glencolmcille Folk Village; Byrne Brothers; a surfing lesson on Strandhill Beach; seaweed bath.

A carefree mood is set with "Ain't We Got Fun," "Let's Go Fly a Kite," "Breezin' Along With the Breeze," "Bicycle Built for Two," "Y'all Come" and "Take Me Out to the Ball Game.".

A medical scare keeps James grounded; Mrs. Hall faces trouble when she decides to help with the war effort.

An expectant father receives a life-threatening diagnosis; Trixie assists a female wrestler after a headlock goes wrong; Dr. Turner learns shocking news that implicates the future of the maternity house.

Soames commissions a country house despite Irene's distress; as Louisa faces a fresh start, Jo decides his future; Ann reveals a dark secret.

In Paris high society, Edmond meddles in the lives of those he wishes to destroy; Edmond struggles to conceal his identity from Mercedes.

Rockers Pat Benatar and Neil Giraldo present a career-spanning hour of classic rock hits including "Heartbreaker," "We Belong" and "Love Is a Battlefield.".

Archaeological investigations into the origins of democracy in Greece 2,500 years ago; mass graves and ancient ruins where tyrants were murdered shine light on the birth of a revolutionary form of government.