Mount Rushmore is one of America's most iconic landmarks, but there are dark mysteries behind its presidential faces; experts use cutting-edge tech and the latest science to reveal what lies beneath the rock and the secret history of its creation.

The Tower of Babel is one of the most famous stories of the Bible. To find out if it really existed, archaeologists use cutting-edge tech and the latest science to investigate how ancient engineers could have built such an extraordinary structure.

The long-lost underground bunker of Adolf Hitler is home to some of the greatest secrets of the Nazi regime, and now, experts use cutting-edge tech to discover new evidence of Hitler's evil vision for global domination.

The Leaning Tower of Pisa is one of the world's most iconic buildings, and it's also the site of an 800-year-old mystery; using cutting-edge tech, experts investigate the archaeological evidence to reveal when it might finally fall over.

The gunfight at Tombstone's OK Corral turned Wyatt Earp into an American folk hero. To find what really happened here, experts use the newest tech to discover what caused the fatal shootout and what it reveals about the dark secrets of the Wild West.

The Seven Wonders are the engineering marvels built by great minds of long-lost civilizations, but we're not sure if some even existed. New discoveries & cutting-edge archaeological methods might prove what they looked like and why they disappeared.

A strange site called Saqqara is home to Egypt's very first pyramid. Here, experts use cutting-edge tech to reveal why the ancient Egyptians started building pyramids and if the mummified animals found here are evidence of a bizarre religious cult.

Alcatraz is home to secrets that only cutting-edge archaeology can reveal, and using the latest science and the newest tech, experts search for hidden evidence to investigate why so many tried and failed to escape America's toughest jail.

The Roman Empire built Hadrian's Wall to guard its frontiers at the edge of the world. New discoveries reveal who the Romans were trying to keep out with this 72-mile-long structure and what it tells us about the ancient people of Iron Age Britain.

Pyramids in the deserts of Sudan are the ruins of a powerful lost civilization that rivaled the pharaohs of ancient Egypt. Using cutting-edge tech and archaeological methods, experts are revealing the secrets behind the mysterious Kingdom of Kush.

Special access to cutting-edge archaeological investigations reveal the secrets of the long-lost city that was once the world's largest and richest; using new evidence, experts discover what Babylon looked like and what caused its downfall.

Cutting-edge tech is helping experts investigate the mysteries of the Bermuda Triangle like never before, and as new discoveries reveal alien phenomena at the bottom of the ocean floor, they might finally uncover the truth behind this strange place.

New evidence recovered from the site of the World Trade Center's Twin Towers reveals answers to the greatest mysteries of these modern marvels, and using cutting-edge science and technology, experts investigate the science behind why they collapsed.

A long-lost treasure map claims to know the whereabouts of missing ship buried with gold and silver in the California desert, and using cutting-edge tech, a team of experts use this new evidence to get closer to a game-changing discovery.

New discoveries at the site of an alleged long-lost gold mine could lead investigators to a 200-million-dollar payday, and using cutting-edge tech, experts investigate clues in long-lost maps and relics to recover the Lost Dutchman's treasure.