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.

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.

Keshwa chaca, among the last handwoven Incan bridges, crosses Apurimac Canyon in Peru.

An abandoned colonial French prison notorious for its hellish conditions.

An ever-growing field of footwear invites legends and more shoes.

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.

Building this tragically pointless stone barrier cost the lives of the prisoners made to build it.

An abandoned Ecuadorian prison that once held ex-presidents and notorious con artists is now a carceral museum.

The remains of an ancient settlement in one of the oldest archeological sites in South America.

In this pristine Ecuadorian hippie town, residents remain active well into their eighties and nineties.

Since the 1700s, this old barrel has acted as a post box that relies on the kindness of travelers.

An exotic jungle hideaway run entirely by indigenous Kichwa women.

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

Massive volcano in the Andes is the farthest point from earth's center.

A turquoise lake within a volcanic crater.

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

Ecuador's largest Incan ruins show evidence of sophisticated irrigation and diplomacy among the ancient builders.

A swing to dangle you off the very edge.

A mouldering Colombian bull ring stands as a reminder of the country's complicated relationship with a brutal sport.

This exceptional home was a 32-year labor of love by a man determined to build his wife the most beautiful stone house in the world.

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

An unusual and beautiful form of mass transit serves the city's steepest neighborhoods.