A devastated ruin in the south of Belize where British explorers claimed to unearth the Mitchell-Hedges Crystal Skull.

The engineering wonder and pleasure dome of a much-maligned emperor still holds undiscovered secrets.

On the Oregon coast there is a natural hole that seems to be draining the sea.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

Huge stone depressions which may have acted as an Incan agricultural experiment.

If you want to take a peek at Area 51, this is legally as close as you're going to get.

A Victorian natural history and ethnographic museum with wonderful turn-of-the-century, science-book-esque evolution displays.

No matter what the plaque under this massive legume says, this is not the world's largest peanut.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

Largest necropolis in the Mediterranean.

If you want to talk to the Pope you will have to stare down this surreal vision of Jesus rising from a nuclear hell.

Rome's ancient Etruscan rival, now a park full of ruins.

An Italian ghost town that fought obscurity, until a mysterious illness brought it to its knees.

A battle between nature and architecture in the Cambodian jungle.

Hoax, mistake, or evidence of dinosaurs in human times?

Gladiators battle and chariots race daily in the ruins of a once-great Roman city.

Submerged ruins of a Neolithic coastal settlement, where houses, wells, graves and skeletons have been unearthed.

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

An endless sea of white conical domes.

Celebrated as a center of civilization, the remains of the ancient city have been nearly destroyed by greed, egoism, and war.

An ancient city exhumed from the depths of the ocean.

One of the oldest and certainly best preserved Cistercian abbeys still in existence.

The Yonaguni Monument, a natural formation or the Japanese Atlantis?