1. Egypt's Buried City

Archaeologists uncover the city of Amarna's forgotten ruins.

2. Vesuvius's Secret Victim

Archaeologists explore the incredible secrets buried in the tiny Roman town of H... More

3. Lost City of Troy

Archaeological finds may suggest that the legendary city actually existed.

4. Mount Rushmore: The Hidden Secrets

Investigators piece together the true story of Mount Rushmore.

5. Tower of Babel: The New Evidence

Investigators are uncovering long-forgotten secrets of the tower.

6. Hitler's Lost Bunker

Investigators uncover the true story of Hitler's top-secret underground bunker.

7. Leaning Tower of Pisa: The New Mystery

Investigators try to figure out why the Tower of Pisa tilts, and why it doesn't ... More

8. Ghosts of the Wild West

Investigators work to figure out what really happened during a 30-second shootou... More

9. Secrets of the Seven Wonders

Archaeologists are tracking down the legendary lost monuments.

10. Hunt for the First Pyramid

Saqqara is a royal necropolis near Cairo that's the site of the first-ever pyramid.

11. Alcatraz's Hidden Secrets

Discover Alcatraz's most hidden and dangerous secrets.

12. Rome's Great Wall

Archaeologists investigate the history and buried defenses of Hadrian's Wall in ... More

13. Lost Kingdom of Kush

Investigators uncover the hidden story of the Sudanese Kingdom of Kush.