Mountain of unimaginable riches that bankrolled the Spanish Empire, complete with its own underworld god.

A mysterious ancient network of thousands of perfectly straight lines stretching across miles of Bolivian desert.

Museum dedicated to the sacred leaf of the Andes.

The celebrity luchadores of La Paz are tough ladies in traditional petticoats and braids.

Bolivia's needle-like rock formations.

Largest site of dinosaur footprints ever found includes more than 5,000 tracks.

This red lake 4,000 meters above sea level is home to rare flamingos.

A valley of unique erosion patterns lends to a view like nothing on Earth.

On the outskirts of a desert trading village high on the Andean plain, steel giants have been destroyed by salt winds.

Popular tourist destination where witches in dark hats sell dried llama fetuses for good luck.

A seemingly endless landscape of pure salt stretches far across Bolivia.

The oldest Christian monastery in Iraq until ISIS blew it up twice and then drove over it with bulldozers.

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

The surviving pieces of an ancient aqueduct that may have fed into the lost Hanging Gardens of Babylon.

A boiling wellspring flowing with natural gas burns in a continual blaze.

Ancient rock-cut tomb? Definitely. That of a great Median king? Unlikely.

A 605-page Quran penned in the blood of a dictator is locked away in a mosque.

Giant reed houses made in the marshes of Southern Iraq.

A shrine on the shores of the Tigris.

9th century Abbasid mosque, damaged in modern warfare.

The sacred shrine of the Yazidis.

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

Modern-day cave dwellers carve elaborate homes out of volcanic debris.

One of the world's largest salt caves is filled with fragile salt sculptures, salt rivers, and huge salt megadomes.