The ruins of the "place of the cloud snake" sit in the middle of an urban environment.

One of Mexico's least-visited archaeological sites is tucked away inside a theme park.

The ruins of an important pilgrimage destination for worshippers of a Maya fertility goddess.

A rocky shelter in the desert hides one of the largest concentrations of cave paintings in Mexico.

These winged Maya figures are the subject of speculation and conspiracies.

Underneath the historic center of Mexico City, the remains of a temple dedicated to the Aztec god of the wind.

A shrine in the middle of this pond represents a Mesoamerican creation myth.

Fossilized remains tell the story of the region’s past inside this small, unassuming museum.

The world's second largest salt mine, said to have been discovered by Alexander the Great's horse.

This lost city belongs to one of the earliest civilizations in the world.

High seas history comes to life at this immersive museum with an on-site tavern.

A terrific purveyor of natural history objects and curios.

An ancient sanctuary that has long been a holy site for the Chaldean Christian Church.

A shrine on the shores of the Tigris.

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

The palace of the King of Kings, burned by Alexander the Great.

A 1,500-year-old, 3-story subterranean city where ancient Persians took refuge in times of war.

The ancient necropolis houses the immense rock-cut tombs of four Persian kings.

The tower in this 1,000-year-old mud-brick village seems to vibrate for no apparent reason.

Through the colossal entrance to this cave you'll find limestone tubs and an underground waterfall.