 | Arctic Passage Relive two legendary expeditions—one tragic, one triumphant—to pioneer a route through the Northwest Passage. |
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 | Balloon Race Around the World Delve into the history and science of ballooning, and follow some of the attempts in the '90s to be the first to circumnavigate the globe. |
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 | Cracking the Maya Code The story behind the centuries-long decipherment of ancient Maya hieroglyphs |
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 | Deadly Ascent A team of doctors and climbers on Denali test the body's response to extreme cold. |
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 | Descent Into the Ice A team of "glacionauts" ventures into a labyrinth of unexplored and hazardous glacier caves on France's Mt. Blanc. |
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 | Everest Take a virtual climb of Mt. Everest through panoramic photography and explore the personalities, dangers, and history associated with the mountain. |
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 | First Flower In remote mountains of China, experts find clues to the origins of Earth's most stunning plants. |
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 | Hitler's Sunken Secret An expedition to the bottom of Norway's Lake Tinn illuminates Nazi Germany's nuclear ambitions. |
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 | Ice Mummies Archeologists from the Andes to the Alps and beyond learn about lost cultures from remarkably well-preserved human remains. |
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 | Into the Abyss A daring expedition attempts to retrieve several "black smoker chimneys" from the seafloor a mile and a half down. |
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 | Island of the Sharks Visit Costa Rica's Cocos Island, which boasts more sharks per cubic yard of water than perhaps any other place on the planet. |
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 | Lost City of Arabia Helped by remote sensing, an expedition searches Oman's vast al-Khali desert for the lost city of Ubar. |
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 | Lost King of the Maya Using ancient hieroglyphs and new excavations, archeologists investigate the rise and fall of the majestic city of Copan. |
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 | Lost Treasures of Tibet A crack restoration team tries to prevent priceless medieval Buddhist murals from crumbling into dust. |
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 | Mountain of Ice Jon Krakauer and fellow mountaineers pioneer a new route on a scientific expedition up Antarctica's highest peak. |
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 | Mysteries of the Nile Explore ancient Egypt through a stunning series of interactive panoramic photographs. |
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 | Mysterious Life of Caves Toxic caverns teeming with strange life-forms spark a radical theory of how caves take shape. |
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 | Mysterious Mummies of China Three-thousand-year-old mummies with long blond hair and blue eyes are unearthed in a remote Chinese desert. |
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 | Orchid Hunter NOVA investigates an all-consuming passion for orchids, nature's most highly evolved plant. |
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 | Origins Journey back to the beginning of everything: the universe, Earth, and life itself. |
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 | Pyramids—The Inside Story Wander through the chambers and passageways of the Great Pyramid and learn about the pyramid builders. |
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 | Search for the Lost Cave People Caves lining a rugged canyon deep in the Chiapas jungle hold clues to the little known Zoque people. |
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 | Secrets of Easter Island A team attempts to recreate the original islanders' success at moving and erecting giant moai statues. |
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 | Secrets of the Crocodile Caves Rare lemurs and crocodiles with bizarre cave-dwelling behavior draw scientists to a remote corner of Madagascar. |
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 | Shackleton's Voyage of Endurance Beginning in 1915, Sir Ernest Shackleton and 27 men survive a year and a half lost in the Antarctic. |
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 | Sultan's Lost Treasure Archeologists salvage more than 12,000 pieces of Chinese porcelain from an ancient shipwreck. |
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 | Surviving Denali A team of doctors and climbers on Mt. McKinley investigate the body's ability to maintain its core temperature in sub-zero weather. |
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 | Titanic's Lost Sister Underwater explorer Robert Ballard uses sonar technology to find the Britannic, a ship lost in the Aegean in World War I. |
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 | Treasures of the Sunken City Divers search the seafloor for one of the seven wonders of the ancient world: the Lighthouse of Alexandria. |
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 | Underwater Dream Machine Follow one man's quest to engineer a submarine with panoramic views. |
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 | Vanished! The mysterious 1947 disappearance of an airplane high in the Andes en route from Argentina to Chile is finally resolved. |
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 | Viking Deception, The Is the Vinland Map a priceless depiction of the New World made before Columbus's voyage or a 20th-century fake? |
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 | Vikings, The Recent discoveries paint a complex portrait of the Vikings and their boat journeys to places as far-flung as Istanbul. |
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 | Volcano Above the Clouds Join a scientific expedition to the glacier-capped summit of Kilimanjaro, Africa's tallest mountain. |
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 | Voyage of Doom Nautical archeologists uncover the wrecked ship of 17th century French explorer Robert Cavelier de La Salle. |
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 | Warriors of the Amazon Explore the unique culture of the Yanomami, an isolated tribe living deep in the Amazonian rainforest. |
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 | Wilds of Madagascar, The Scientists try to capture and study a catlike predator known as the fossa and an extremely rare lemur called the silky sifaka. |
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