Reputedly haunted sandstone necropolis with exquisite stone carvings.

Ancient Manuscripts showcase the civilization of West Africans during the Middle Ages.

The central mosque of this Mali town is entirely built from mud.

Ruins of the Crusaders' headquarters.

A more chill but no less fascinating version of the famous ancient archeological site.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

An Aztec temple, the largest man-made pyramid in the world, sits buried in earth with a Spanish church set on top.

The largest prehistoric ruins south of the Sahara, once a powerful center of international trade.

Thanks to the building of a life-giving reservoir, part of the Great Wall of China is now a dive site.

The second-longest continuous wall on the planet protects a hidden secret in the deserts of India.

One of the largest Buddhist stupas in the world keeps an eye out in every direction.

Sacred Buddhist home of some spiritual monkeys.

Huge concrete structures designed as an early warning system for Britain to detect enemy aircraft.

The site of one of the largest non-nuclear explosions in history, created when a massive bomb dump accidentally exploded.

This "Palace of Purification" has made many film appearances as a dark and sinister headquarters.

One of the largest, oldest, darkest, quietest motel rooms in the world.