A plaque marks the site directly below the mid-air detonation of the atomic bomb over Hiroshima.

Peace Park and the Atomic Bomb Dome.

Cabaret where the show girls are all androids, and the patrons couldn't be more pleased.

This Buddhist temple is home to the graves of the Japanese national legends, the 47 Ronin.

The legendary birthplace of the Japanese maneki-neko is dotted with hundreds of lucky beckoning cats.

Meet the world's longest tapeworm in a collection that really gets under your skin.

The lovely lake that was naturally dammed, then naturally destroyed, then unnaturally saved.

This "tower of death" has acted as an observatory, a religious hub, and an executioner's lair.

The Avenue of Mausolea is a series of grand palatial tombs.

18m long sarcophagus of a constantly growing dead prophet.

Light still pours into the ruins of this ancient Islamic observatory.

Looking for a unifying history, Uzbekistan finds its answer in a 14th Century Turco-Mongol conqueror... despite the fact he wasn't Uzbek.

A "miracle" that seems to produce more holy fistfights than holy revelations.

As the Dead Sea continues to deplete, massive sinkholes open along its banks.

This daunting 1st century fortress was purportedly the site of one of the most dramatic revolts of the Jewish-Roman wars.

The massive cave church of Cairo's Zabbaleen community is one of the largest Christian churches in the Middle East.

An ancient instrument used to measure the waters of the Nile so Egyptian farmers would know whether to expect famine or flood.

Egyptian treasure trove of fossils documenting the whale's transition from land mammal to sea creature.

This beautiful system of tunnels built into natural rock serves as a centuries old plumbing system.

Burial site of a Jewish prophet revered in Iran.

The second-deepest known cave on Earth, hidden in an extremely remote mountain region.

This vast, water-filled underground labyrinth can only be toured by boat.

The second largest in the world, this massive underground void has its own subway.

Ruins of a former government building destroyed during the Georgian-Abkhaz war in the wake of the fall of the Soviet Union.