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

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

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

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

A series of waterfalls so massive they straddle the border of Argentina and Brazil.

What was once a unique system of urban elevators is turning into a mechanical ruin.

The design of the Palacio Salvo has been described as "a lighthouse on top of a building."

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

This stunning mass of ice spans 121 square miles and is still growing.

Ancient artists in the middle of nowhere.

The world's highest and most dangerous infinity pool lies at the precipice of Victoria Falls.

The largest prehistoric ruins south of the Sahara, once a powerful center of international trade.

A desert that rolls right up to the ocean, where it's so dry animals live off the fog.

Held in a fort that once stood for colonization of the area, this museum now tells the history of its indigenous people.

This "dead marsh" sits among the largest sand dunes in the world, a forest frozen in time.

Bizarre living fossil only grows in a small chunk of the Namib Desert.

This African beach is home to thousands of rare mainland penguins that are known for their annoying voice.

Formerly known as the Malay Quarter, Bo Kaap is a colorfully-painted suburb located in the “Mother City” of South Africa.

Caves that can't seem to quit producing the remains of prehistoric humans.

This indoor ski resort has a mountain contained inside a mall.

A complex of six forts embedded in the Rajasthan hills.

Once an indicator of social class, the color blue has come to define this city on the edge of the Thar Desert.

Last stop before the top of the highest peak in the world.

Jumping-off point for a climb up Mt. Everest is the most dangerous airport in the world.