Hidden deep in the Guatemalan jungle is a turquoise paradise of natural pools, caves, and waterfalls.

Peru's (not so) mysterious carved stones.

This space-age looking obelisk rises over a city in the rainforest, meant to resemble the local castaña tree.

Enormous array of antennae fill a desert valley.

Thousands of volcanic rocks carved 1,000 years ago.

A fascinating little museum all about the rich history of Peru’s famous plant.

The little bear in the "funny kind of hat" has made his way from London back to Peru.

A painting in the historic Cathedral Basilica depicts Jesus and his disciples dining on a traditional Peruvian menu.

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

Lima’s Museum of Anthropology is lined with thousands of elongated human craniums.

Death rituals and sacrifice inside a Peruvian megalith.

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.

A market for witches is hidden within a train station.

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

This scalding hot river was thought to be a myth until one geoscientist made it his quest to study the mystical waters.

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 mortal remains of an estimated 70,000 people lie in the basement of a monastery in Lima, Peru.

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

A shining sculpture made of 3,115 lights, the number of visible stars in the Northern Hemisphere.

An antiquated German apothecary on Chicago's North Side.

A little-known subterranean street runs under some of the best-known buildings in Chicago's River North.

The palatial McDonald's that inspired Wesley Willis.

A haunting statue called "Eternal Silence" has quite the reputation among visitors with active imaginations.