The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

A backdoor to Machu Picchu that only the most foolhardy infiltrator would attempt to breach.

A highland eco-park celebrates more than a thousand varieties of tuber.

Ain't no party like a ghost town party.

Mystic Incan rock piles three miles above sea level.

This 16th-century monastery was founded to cloister the daughters of wealthy local families.

The Uros people live on floating reed islands in lake Titicaca.

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

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

A Christian monastery stands on what was once a holy Incan temple.

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

The mysterious "Candelabra of the Andes" could represent anything from a god's trident to a hallucinogenic plant.

This stone complex marks the urban center of a lost civilization.

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

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

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.

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

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

It's just another skyscraper, but it's shaped like '90s cell phone.

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

The fighters and conspirators that won independence for Paraguay held secret meetings at this historic house.

This small island off the coast of Uruguay hosts the largest colony of sea lions and fur seals in the southern hemisphere.

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