Smithsonian Channel HDTV (East) (SMITHHD)

A tour of movie sites and locations, including the Manhattan skyline and the Philadelphia Museum of Art. Also: structures that inspired "Citizen Kane" and "The Shining." (Repeat).

A flyover tour of natural wonders, man-made marvels, hidden treasures and places of inspiration. (Repeat).

A flyover tour of Idaho. (Repeat).

A flyover tour of Southern California highlights the region's beaches, deserts, urban cities and culture. (Repeat).

A flyover tour of Kentucky. (Repeat).

A flyover tour of West Virginia. (Repeat).

A flyover tour of Northern California, featuring natural and man-made wonders. (Repeat).

A flyover tour of Wisconsin. (Repeat).

A flyover tour of Arizona. (Repeat).

In a rush to complete their flights, three different flight crews skip key procedures, ignore signs of danger, and make deadly decisions. (New).

A Coast Guard chopper pilot battles winds in a mission that will decide her flying career, a mountain construction project gets an express aerial delivery of materials in Alaska-style, and two bald eagles hitch a first-class rid (Repeat).

In a rush to complete their flights, three different flight crews skip key procedures, ignore signs of danger, and make deadly decisions. (Repeat).

A Coast Guard chopper pilot battles winds in a mission that will decide her flying career, a mountain construction project gets an express aerial delivery of materials in Alaska-style, and two bald eagles hitch a first-class rid (Repeat).

Alaska's aviators fly into the wild for the world's toughest snowmobile race, Anchorage mechanics wrestle with a damaged 737's jet engine, and scientists take to the air to fight back against floods devastating remote communities. (Repeat).

A bush plane resupply mission to homesteader on a frozen lake teeters on the brink of disaster, US Air Force fighter jets battle over the Alaskan tundra, and veterinarians fight winter storms to save a remote village. (Repeat).

A 747 mayday triggers an emergency on Anchorage runways. Then, a young aviator learns to fly to feed her village, military pilots navigate Alaska's icy peaks to be combat-ready, and an extreme surfer flies high to find waves. (Repeat).

A pilot dreams big trying to move a 727 jet cross-country to build his business. Tourists fly into Homer's fishing festival, and bar owner takes to the air for an Alaskan beer run. Engineers fight to stop the corrosion aboard a (Repeat).

An orphaned bear cub flies to a new home, bush pilots bring life-saving medical machinery to a remote village, record snowfall threatens to close down Anchorage Airport for Thanksgiving, and the US Army prepares for airborne war (Repeat).

A breakdown on the Fairbanks runway threatens a heavy-weight military jet's urgent mission. A rookie flight instructor faces a make-or-break flight. An ice-tour pilot races against Alaskan weather, and a bush airline flies a 400 (Repeat).

Featuring wild weather, emergency landings, animal invaders, and pandemic panics at Alaska's Ted Stevens Airport (ANC). (Repeat).

Wild weather, emergency landings, animal invaders, and pandemic panics are witnessed at Alaska's Ted Stevens Airport (ANC). (Repeat).

Wild weather, emergency landings, animal invaders and pandemic panics at Alaska's Ted Stevens Airport (ANC). (Repeat).

The episode features a crisis in a remote Alaskan village; a grounded cargo 737; and alcohol smugglers who keep the pilots and crews at the Ice Airports busy. (Repeat).

Witness wild weather, emergency landings, animal invaders, and pandemic panics at Alaska's Ted Stevens Airport (ANC). (Repeat).

Featuring wild weather, emergency landings, animal invaders and pandemic panics at Alaska's Ted Stevens Airport (ANC). (Repeat).

The holidays bring more passengers, more crime, and more blizzards to the Ice Airport. (Repeat).

A freak storm may freeze the delivery of urgent medical supplies. (Repeat).

A harsh winter cancels flights but can't keep rescue pilots from saving the day. (Repeat).

Follow ace pilots and their customised aircraft as they keep Alaska's isolated areas fed and connected through winter. (Repeat).

The National Guard attempts a mid-air refuel in a violent windstorm, and the TSA discovers a suspicious package. (Repeat).

A downed pilot makes an emergency call for a helicopter rescue and it's a race to get there in time. (Repeat).

There's a serious threat to airport security and a couple fly out to get married on top of a glacier. (Repeat).

An orphaned bear cub flies to a new home, bush pilots bring life-saving medical machinery to a remote village, record snowfall threatens to close down Anchorage Airport for Thanksgiving, and the US Army prepares for airborne war (Repeat).

A breakdown on the Fairbanks runway threatens a heavy-weight military jet's urgent mission. A rookie flight instructor faces a make-or-break flight. An ice-tour pilot races against Alaskan weather, and a bush airline flies a 400 (Repeat).

Witness wild weather, emergency landings, and animal invaders at Ted Stevens International Airport in Anchorage, Alaska one of the world's busiest cargo airports. (Repeat).

A Coast Guard chopper pilot battles winds in a mission that will decide her flying career, a mountain construction project gets an express aerial delivery of materials in Alaska-style, and two bald eagles hitch a first-class rid (Repeat).

Urgent maintenance to a Boeing 737 Max 9 is needed to avoid flight delays and Customs uncover a smuggling ring. (Repeat).

A suspected toxic leak grounds a 737 at Anchorage International, engine trouble endangers the mid-air refueling of the USAF's most advanced fighter jets in Alaska, and a discovery at airport customs busts a potential smuggling. (Repeat).

A national snowstorm brings US aviation to a standstill, but Anchorage fights through the storm. USAF aircrews endure the toughest survival training on Alaska's North Slope, and a veteran aircraft flies life-saving cargo. (Repeat).

A family-run airline flies emergency supplies to a remote village hit by water pollution. Then, Alaska's biggest cargo airline loads high explosives on a busy runway, and Anchorage's elite pilots come to the rescue of a holiday party. (Repeat).

Record-breaking snow in Anchorage could shut the airport. Then, a novice pilot tests his nerve landing on a frozen lake, and USAF aircrews battle the toughest Arctic survival training. (Repeat).

Hurricane Hunters fly into a storm to save lives in Alaska's bush. Then, a rookie chopper pilot faces dangerous winds, and snowstorms threaten vital combat training for USAF in the Arctic Circle. (Repeat).

Travelers from Anchorage get stranded halfway to an island in the Bering Sea; extreme skaters fly into the wilderness in search of Wild Ice; and Alaska's premium cargo airline fights to deliver a team of huskies. (Repeat).

Koningsdam is Holland America's newest, largest and most technologically advanced ship; sailing the narrow Norwegian fjords on a mega-ship presents numerous challenges for the bridge team. (Repeat).

The Ocean Endeavour is a vessel with an ice-strengthened hull and a fleet of zodiacs; and the staff are experts in Arctic ice, wildlife and natural history. (Repeat).

The Seven Seas Explorer cruise ship is full of marble, granite and almost 500 chandeliers. (Repeat).

At 122,000 gross tons, Celebrity Solstice puts the "mighty" in Mighty Cruise Ships. She carries 1,255 crewmembers and close to 3,000 passengers during her summer journeys along Australia's northern coast, offering ten restaurants, over a dozen bars, a casino, and even a manicured grass lawn. Hop aboard on a luxurious 17-day journey Down Under and explore the country's marvels from Solstice's comfo

Sky Princess is loaded with big tech to get the job done, whether it's sailing into tight ports; battling strong winds and currents; feeding more than 3500 guests; or helping passengers locate their friends on the ship. (Repeat).

The world's first cruise ship run on liquefied natural gas, AIDAnova visits the volcanic landscape and stunning beaches of the Canary Islands and Madeira. (Repeat).

The Ghan takes passengers on a three-day, two-night journey through Australia, from Adelaide in the south to Darwin in the north; the Pichi Pichi Railway offers passengers a trip on an original steam locomotive train. (Repeat).

Japans Tokaido Shinkansen, known as the bullet train, operates on a dedicated railway line at up to 285 km/h. (Repeat).

Exploring Lima and its amazing scenery and engineering. (Repeat).

Spotlighting Le Boreal, a cruise ship built to survive severe weather conditions, including towering waves. (Repeat).

Technologies and amenities on the cruise ship Oasis of the Seas. (Repeat).

Season 6 opens with a look at the cruise ship Crystal Serenity. (Repeat).

The Diamond Princess carries nearly 2,700 passengers to some of Japan's most iconic cities. (Repeat).

The Nieuw Statendam is the world's largest boutique cruise ship. (Repeat).

A cargo aircraft that is used for carrying large cargo for NASA is profiled. (Repeat).

New Zealand's Coastal Pacific is featured on its triumphant return after a massive earthquake shut it down for two years. (Repeat).

A luxury expedition ship searches for elusive wildlife. (Repeat).

In the series premiere, Paul Gauguin navigates delicate waters and offers five-star luxury while sailing the coral reefs, mountainous islands, and tropical playgrounds of French Polynesia. (Repeat).

The C-2 Greyhound's design allows for flexibility and access that few other fixed wing crafts possess. For the U.S. Navy, it provides critical logistics support. (Repeat).

Rocky Mountaineer journeys across Western Canada and over the Rocky Mountains as the train rolls from Vancouver to Banff and then from Jasper back down to Vancouver. (Repeat).

Royal Clipper is the largest sailing-cruise ship in the world, with five masts soaring 58 meters high, supporting 42 sails that carry the ship to a speed of 17 knots. (Repeat).

The Costa Diadema gives its passengers the ultimate Mediterranean experience. Captain Giorgio Moretti uses his 37-year experience to guide this 306-meter-long vessel. (Repeat).

A luxury cruise ship navigates narrow rivers in Southeast Asia. (Repeat).

A look at the construction of the Norwegian Breakaway cruise ship. (Repeat).

The story of Napoleon's defeat at Waterloo. (Repeat).

Site interpreter Steve Adelson discusses the Battle of the Little Bighorn and Custer's Last Stand. (Repeat).

Footage of the Battle of Normandy offers insights into the crusade that freed France from Germany. (Repeat).

A British journalist documents the battle against Japan in World War II. (Repeat).

It was a microcosm of naval warfare, involving battleships, carriers, destroyers, submarines, kamikazes, and fighter jets, all embroiled in an epic, three-day battle that marked the beginning of the end to the Pacific War. This is an inside look at the Battle of Leyte Gulf and the thousands of vessels involved, including the largest, most powerful battleships ever built: Japan's Musashi and Yamato

For over 1,000 years, they sailed Vikings, Allied Forces, and brave sailors to victory. (Repeat).

A look at how technological advances over the centuries have led to bigger and faster combat ships and transformed maritime warfare. (Repeat).

The stories of the pilots of Vietnam's Operation Rolling Thunder and their race to survive their 100-mission goal. (Repeat).

The D-Day role of the squadron of British bombers known as the Dambusters is examined. (Repeat).

The inside story of Nazi Germany's unprecedented aerial assault on Britain's major cities and how the resilience of its citizens became a news event. (Repeat).

The iconic February 1945 picture of five U.S. Marines and one U.S. Navy Corpsman raising the American flag on Iwo Jima is the focus of this documentary, which uses modern science to identify the Marine whose name was previously unknown. Included: the story of the five-week battle. (Repeat).

An inside look at the Battle of Midway, captured through battle footage and accounts from its hero dive-bombing pilot, "Dusty" Kleiss. (Repeat).

Military cameramen's footage of the Battle of Okinawa shows the intensity of the battle, on land and sea, in vivid color. (Repeat).

The history of the P-51 Mustang, a fighter plane that helped turn the tide in World War II. (Repeat).

The AC-130 Spectre: To its friends, it's a guardian angel, to its enemies it's an angel of death. This is the story of the Air Force's ability to adapt to the changing reality of war and build a weapon capable of taking out their enemies. (Repeat).

The inside story of the Harrier, the world's most famous short takeoff-vertical landing fighter jet. (Repeat).

The history of the B-52 Stratofortress. (Repeat).

The CH-47 Chinook, the Army's go-to helicopter for lifting heavy cargo, is spotlighted. Included: its evolution through the decades. (Repeat).

Site interpreter Steve Adelson discusses the Battle of the Little Bighorn and Custer's Last Stand. (Repeat).

Footage of the Battle of Normandy offers insights into the crusade that freed France from Germany. (Repeat).

A British journalist documents the battle against Japan in World War II. (Repeat).

It was a microcosm of naval warfare, involving battleships, carriers, destroyers, submarines, kamikazes, and fighter jets, all embroiled in an epic, three-day battle that marked the beginning of the end to the Pacific War. This is an inside look at the Battle of Leyte Gulf and the thousands of vessels involved, including the largest, most powerful battleships ever built: Japan's Musashi and Yamato

For over 1,000 years, they sailed Vikings, Allied Forces, and brave sailors to victory. (Repeat).

A look at how technological advances over the centuries have led to bigger and faster combat ships and transformed maritime warfare. (Repeat).

Experts explain the engineering behind the creation of architect Norman Foster's Hearst Tower in NYC, Jewel Changi airport in Singapore, and architect Yann Weymouth's Dali Museum in Florida. (Repeat).

A look at buildings, lifts, and bridges, that pushed structural concrete engineering to the edge. (Repeat).

A gravity defying university building in Sydney, Australia, is clad in 320,000 bricks. Engineers grapple with making an angular arts center tornado proof in Oklahoma. And a plant-filled office building. (Repeat).

A New York skyscraper defies the laws of physics. The world's tallest outdoor lift, built on the side of a Chinese mountain, is featured. A building mimics a ship at sea. (Repeat).

Visit a futuristic research station in the world's most extreme climate; a concrete arch which appears to levitate; and the world's first rotating boat lift. (Repeat).

Architects and engineers build an eco-friendly convention center on Vancouver's waterfront, a lift bridge in Bordeaux, and a cocoon-shaped skyscraper in Tokyo, each with unique challenges like marine habitats, massive spans, and (Repeat).

Mike Davidson contributes to a multimillion-dollar tunnel-boring operation in Toronto that is going place 260 feet beneath. (Repeat).

Mike assists in repairingvessels thatthe United States Coast Guard uses to keep our oceans safe, replacing key parts of ship engines, removing a large crane from a buoy tender, and repairing a helicopter for a critical exercise. (Repeat).

Mike helps fix the machines that keep one of the U.S.'s biggest ports moving. He helps a team move a 3-million pound crane, and works at 250 feet in the air. (Repeat).

With wildfire season ahead, Mike works with an aerial firefighting company to convert aircraft into firefighting machines, including the transformation of a 1960's C130 plane. (Repeat).

Mike works alongside U.S. Army mechanics inside the Maintenance Activity Kaiserslautern in Germany. Most commonly called The MAK, the massive facility is responsible for repairs and maintenance of military vehicles used in active combat and reconnaissance missions. (Repeat).

Mike joins the contractors in Nevada to secure five mining sites among several thousands that are in danger. (Repeat).

Featured are the world's longest sky gardens, a radical railways station built in the shadow of an active volcano, and the world's most slender tower. (Repeat).