Cities of the Underworld

The largest naval armada in U.S. history descended on the Japanese island of Okinawa in April of 1945. Instead of a swift victory for the American's it became the bloodiest battle of the Pacific.

From the secret Civil War fortification buried beneath Alcatraz to the human trafficking tunnels winding below Chinatown, San Francisco's underground is evidence of its sordid past.

The urban sprawl of Cairo, Egypt belies its history as one of the world's oldest civilizations, where the Pharaohs' ancient secrets lay hidden deep below the vast deserts.

Discover the truth behind the mysterious legends of the Trojan War and explore how a maniacal king plotted to overturn consecrated ground in order to build one of the Ancient World's Seven Wonders