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

These giant mummies are set ominously into a Peruvian cliffside and topped with real human skulls.

An unexpected desert oasis in South America.

A remarkable geological formation resembling a forest made of stone.

A remote candy-striped mountain in the Peruvian Andes straight out of the pages of Dr. Seuss.

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

The southernmost Anglican cathedral in the world has whale bones standing in its yard.

This haunting ghost ship stands beached in the waters off the coast of the Falkland Islands.

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

An elaborate shrine dedicated to the four corners of the world unfortunately misses its mark.

Home of the "true" equator.

Largest monument in Colombia depicts 14 lancers who drove back an army.

Unparalleled stargazing, one of Colombia's best observatories, and a swimming pool can all be found in the middle of this ancient tropical forest.

Hidden amid the tropical forest in the Caribbean Sea are the decaying ruins of the Cocaine King's luxurious island party home.

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

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."

A sliver of 19th-century Germany sits on the shore of a Chilean lake.

Formerly a brutal Nazi colony, this Chilean village was remade as a (controversial) German-themed tourist trap.

An unrecognized micronation declared by Greenpeace to protect the glaciers of Chile.

A 63-foot-tall swinging ball hypnotizes passersby, and proves to any remaining doubters that the Earth is spinning.

A museum founded to reflect on and remember the human rights abuses under Chilean dictator Augusto Pinochet.

The hellish conditions of this abandoned mine that snakes beneath the Pacific Ocean gave it its diabolic name.

Named for the DeFoe novel inspired by a stranded sailor, this island is known for its rare plants and extreme beauty.