The stones of this Incan wall complex fit together so well you couldn't fit a piece of paper between some of them.

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

Situated on a sacred Inca site, this 16th-century cathedral took nearly 100 years to build.

This geometric feat is a testament to the Incas' mesmerizing architectural abilities.

An Inca spa, military outpost or maybe… both?

Mysterious Incan ruins on a tiny island in Lake Titicaca.

Astronomical observatory above Lake Titicaca.

Over a millennium ago, this site on the shores of Lake Titicaca was home to a city of more than 10,000 people.

A black and white solution to the Bolivian city's traffic problems.

In La Paz's huge, city-sized cemetery, the deceased are stored in rows of apartment-like buildings.

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

This giant Christ took first place in South America's religious arms race.

This gorgeous, colorful 18th-century church is part of one of Bolivia's few surviving Jesuit missions.

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

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

This 18th-century tower is locally iconic.

Halfway up a volcano at the edge of the world’s largest salt flats is a cave with seven mummies.

This hotel is located on the edge of the world's largest salt flat and is made out of the only material around.

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

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

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

A desert that evokes the surreal.

The largest geyser field in the southern hemisphere is a spectacular sight.

The ruins of a pre-Columbian fortress city so secure it held off the Spanish conquistadors for over 20 years.