WYSJ-CD Explorers use a sacred ancient Mayan temple code to search for an occult underworld engineered in Mexico; investigators in Britain discover the secret technology behind a life-size statue of Jesus Christ that came to life. 2026-08-20 Ancient secret agents; fire beacons, horses and pigeons are used to transmit messages over thousands of miles; ancient spies use invisible ink made from human sperm and write messages inside raw eggs; Japanese ninjas use explosives. 2026-08-20 Cutting-edge technology reveals exciting archaeological discoveries at the bottom of the ocean. 2026-08-20 A discovery spotlights two limestone coffins that date back 3000 years. 2026-08-20 The team tries to figure out how successfully ancient peoples traveled overland. 2026-08-20 Ships from the ancient world and the societies that created them. 2026-08-20 Building a replica of a 2000-year-old jet engine; a weapon that can shoot around corners; a gun that is made from fruit; beating the ancient world's land-speed record. 2026-08-20 The mummified crocodiles of Kom Ombo; using an X-ray on an ancient mummy; China's terra-cotta army; scientists solve a year-old murder using 15th-century forensics; virtual-reality techniques afford investigation of crucifixion. 2026-08-20 Explorers use a sacred ancient Mayan temple code to search for an occult underworld engineered in Mexico; investigators in Britain discover the secret technology behind a life-size statue of Jesus Christ that came to life. 2026-08-20 Ancient secret agents; fire beacons, horses and pigeons are used to transmit messages over thousands of miles; ancient spies use invisible ink made from human sperm and write messages inside raw eggs; Japanese ninjas use explosives. 2026-08-20 Cutting-edge technology reveals exciting archaeological discoveries at the bottom of the ocean. 2026-08-20 A discovery spotlights two limestone coffins that date back 3000 years. 2026-08-20 A glimpse behind White House walls; surprising White House stories; secret tunnels and bunkers; where the president sleeps and works and how he is protected. 2026-08-20 The hidden history of the White House, including the mystery of a top-secret construction project dubbed the Big Dig that took place outside the West Wing; the search for the truth utilizes images, graphics and previously classified materials. 2026-08-20 Henry Rollins discusses why a very important office in Washington is oval; why a brothel once operated on the White House grounds. 2026-08-20 An inside look at the Secret Service, a top-secret law enforcement agency made up of men and women who put their lives on the line to protect current and former U.S. leaders and their families; a special agent reveals the grueling selection process. 2026-08-20 The real stories behind some presidential feats are revealed using everyday objects, such as eyeglasses, a wooden cane, and a coconut. 2026-08-20 Presidents, sex and romance, and manners have influenced American English. 2026-08-20 One of the world's most fortified buildings, the U.S. bullion depository at Fort Knox, Ky, has worldwide renown. 2026-08-20 A glimpse behind White House walls; surprising White House stories; secret tunnels and bunkers; where the president sleeps and works and how he is protected. 2026-08-20 The hidden history of the White House, including the mystery of a top-secret construction project dubbed the Big Dig that took place outside the West Wing; the search for the truth utilizes images, graphics and previously classified materials. 2026-08-20 Henry Rollins discusses why a very important office in Washington is oval; why a brothel once operated on the White House grounds. 2026-08-20 An inside look at the Secret Service, a top-secret law enforcement agency made up of men and women who put their lives on the line to protect current and former U.S. leaders and their families; a special agent reveals the grueling selection process. 2026-08-20 The real stories behind some presidential feats are revealed using everyday objects, such as eyeglasses, a wooden cane, and a coconut. 2026-08-21 Presidents, sex and romance, and manners have influenced American English. 2026-08-21 One of the world's most fortified buildings, the U.S. bullion depository at Fort Knox, Ky, has worldwide renown. 2026-08-21 A glimpse behind White House walls; surprising White House stories; secret tunnels and bunkers; where the president sleeps and works and how he is protected. 2026-08-21 The hidden history of the White House, including the mystery of a top-secret construction project dubbed the Big Dig that took place outside the West Wing; the search for the truth utilizes images, graphics and previously classified materials. 2026-08-21 Henry Rollins discusses why a very important office in Washington is oval; why a brothel once operated on the White House grounds. 2026-08-21 An inside look at the Secret Service, a top-secret law enforcement agency made up of men and women who put their lives on the line to protect current and former U.S. leaders and their families; a special agent reveals the grueling selection process. 2026-08-21 The real stories behind some presidential feats are revealed using everyday objects, such as eyeglasses, a wooden cane, and a coconut. 2026-08-21 Presidents, sex and romance, and manners have influenced American English. 2026-08-21 One of the world's most fortified buildings, the U.S. bullion depository at Fort Knox, Ky, has worldwide renown. 2026-08-21 The world's biggest and oldest flag manufacturer; inside the last US athletic shoe factory; the strangest form of alternate transportation; a hot toy company that believes it's imperative to keep their work here at home. 2026-08-21 Benjamin Franklin, the oldest Founding Father, was the late 18th century's foremost scientist and greatest inventor; created Pennsylvania Stove, lightning rod, glass armonica for Mozart and Beethoven and anti-counterfeiting techniques. 2026-08-21 Under the supervision of sculptor Gutzon Borglum, miners and quarrymen carve the faces of four U.S. presidents into the Black Hills of South Dakota, paying tribute to the first 150 years of American history. 2026-08-21 It started as an idea at a French dinner party and became the symbol of the free world; the story of France's gift to the US reveals a 20-year struggle to design and build the world's largest monument using paper-thin copper sheets. 2026-08-21 Visiting the U.S. Library of Congress to explore the contents of secret vaults and see how the staff of 4,000 catalogs and preserves treasures. 2026-08-21 The vehicles that transport the President of the United States aren't your ordinary planes, trains, and automobiles: they are top-secret; and for your Average Joe, there's only two ways to find out what they're really like inside. 2026-08-21 Brad Paisley and his crew of truckers on the road between Little Rock and Tulsa; the Ford F-150 tackles a devilish test course; the world's most nimble tow truck extracts a car from the tightest parking spot imaginable; Mack truck fanatic. 2026-08-21 From brutal winters to bug-infested summers, survival in the unforgiving landscape of Alaska requires an array of technological innovations and creative solutions. 2026-08-21 The world's biggest and oldest flag manufacturer; inside the last US athletic shoe factory; the strangest form of alternate transportation; a hot toy company that believes it's imperative to keep their work here at home. 2026-08-21 Benjamin Franklin, the oldest Founding Father, was the late 18th century's foremost scientist and greatest inventor; created Pennsylvania Stove, lightning rod, glass armonica for Mozart and Beethoven and anti-counterfeiting techniques. 2026-08-21 Under the supervision of sculptor Gutzon Borglum, miners and quarrymen carve the faces of four U.S. presidents into the Black Hills of South Dakota, paying tribute to the first 150 years of American history. 2026-08-21 It started as an idea at a French dinner party and became the symbol of the free world; the story of France's gift to the US reveals a 20-year struggle to design and build the world's largest monument using paper-thin copper sheets. 2026-08-21 Visiting the U.S. Library of Congress to explore the contents of secret vaults and see how the staff of 4,000 catalogs and preserves treasures. 2026-08-22