An abandoned Incan construction project left behind a mysterious "doorway."

An ancient Incan convent on Lake Titicaca's Island of the Moon.

Mysterious Incan ruins on a tiny island in Lake Titicaca.

Astronomical observatory above Lake Titicaca.

Museum dedicated to the sacred leaf of the Andes.

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

This likeness of the famous revolutionary is entirely made of recycled scraps of metal.

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

The soaring gondola lines form the longest aerial cable car system in the world.

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

Bolivia's needle-like rock formations.

Death road of Bolivia.

This devil-dancing ceremony now celebrates a miraculous image of the Virgin Mary that appeared to a modern-day Robin Hood in a mineshaft.

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

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

A desert that evokes the surreal.

This lake’s emerald green waters are a spectacular sight, but it’s not a great place for a swim.

A Swiss man built this airstrip for aliens because a UFO captain telepathically told him to.

Visit this odd display of indigenous style in Argentine wine country.

Mysterious and ancient carved standing stones.

Massive rock sculptures formed during the time of the dinosaurs still stand undisturbed.

Mineral springs believed to hold therapeutic properties draw in visitors from all over.

A toxic lake near a volcanic caldera that is home to flamingos and other life.

Are they the remains of a fallen hotel, or the final stronghold for escaped Nazis?