The enormous appendage offers spectacular views of Colombia's Huila Department.

Storied crypts fill the most famous cemetery in Colombia.

Perched atop the highest hill in Cartagena, this 17th-century convent offers spectacular views of the city.

A three-tiered waterfall plummets from a mountain cave with amazing views over the countryside.

This whimsical home made entirely from clay is basically a giant piece of pottery.

Former drug lord’s manor, now a theme park. Watch out for the hippos.

An ancient city hidden in the heart of the Sierra Nevada mountains.

Colorful lights and mirror-like brine pools create trippy illusions within the historic mine.

Enchanting cave with a river crashing through the roof.

This picturesque mansion has gone from opulent ruin to nature museum.

An explosion of natural color known as "the river that ran away from paradise."

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

The large collection of pre-Columbian pottery might make you blush.

This cave system allegedly holds the "metallic library" of a lost ancient civilization.

This small uninhabited island offers Galapagos-like biodiversity.

This research hub in the Amazon Rainforest is perched amid one of the world's most biologically diverse landscapes.

A swing to dangle you off the very edge.

These mammoth-yet-narrow crevasses in the Earth are perfect for taking an otherworldly swim.

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

A circle of stones on a hilltop in Peru’s high jungle, aligned with the winter solstice and largely ignored by archaeologists.

Mystic Incan rock piles three miles above sea level.

This set of mysterious petroglyphs in the Peruvian jungle could shed light on centuries-old activities in the region.

Hundreds of mummies in a silent room, some with eerily pained expressions preserved on their faces.

An abandoned Incan construction project left behind a mysterious "doorway."