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

Thousands of fossilized footprints speckle this Bolivian national park.

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.

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

Bolivia's needle-like rock formations.

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.

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

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

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

A vast landscape of craters created by meteorites.

Conifers from the Jurassic Period transformed into stone in Patagonia.

One man's quest to collect artifacts from every aspect of human life has resulted in this eclectic Argentinian museum.

An ancient forest of the Paleocene Age turned to stone.

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

A small but industrious mining operation that allows visitors to touch precious gems while they are still in the rock.

Mysterious and ancient carved standing stones.

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

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

A brightly colored natural bridge formed by mineral-rich hot springs high up in the Andes.

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

A gateway to a mysterious network of underground tunnels.