These ruined Incan mausoleum towers still bear carvings of sacred animals on their blocks.

It took 82 years and four different plaques to finally get the story right.

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

On this tiny spot of land in the middle of Lake Titicaca the only ones who do the knitting are the men.

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

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

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

An unexpected desert oasis in South America.

Huge stone depressions which may have acted as an Incan agricultural experiment.

If you’ve ever seen a picture of Machu Picchu, then you’ve seen a picture of Huayna Picchu—you just didn’t realize it.

Plundered and left asunder by grave robbers, this ancient necropolis has been painstakingly pieced back together.

Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

A set of ancient drawings in the desert of Peru that are so massive, many of them can only be fully seen from the sky.

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

A pyramidal marker where the borders of Venezuela, Brazil, and Guyana meet on top of Mount Roraima.

This "floating island" plateau sits 7,671 feet above the forest floor.

A monument to Cuffy, a rebellious enslaved person who became a national hero in Guyana.

Georgetown’s most impressive building is also one of the tallest wooden churches in the world.

The largest market in Guyana, designed and built by the Edge Moor Iron Company of Delaware.

Alien rock formations grown from the sands of an Australian national park.

The world's widest single drop waterfall, and the two men who legend says went over its edge in a boat.