White llama terraces dazzle in Peru's "other Machu Picchu."

Extraordinary rock formations in open Peruvian fields.

One of the world's tallest waterfalls wasn't revealed to the world at large until 2006.

An unexpected desert oasis in South America.

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.

The Uros people live on floating reed islands in lake Titicaca.

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

Nazca pilgrimage site covering 370 acres is a popular stop for archeologists and looters.

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

A remarkable geological formation resembling a forest made of stone.

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.

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

Rusting, graffiti-covered tanks litter the beach of this island, once used by the U.S. military for target practice.

On this Puerto Rican island, many abandoned naval ammunition bunkers sit open while a few have been padlocked by locals as personal storage.

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

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

The sea once considered an ecological wasteland is now called "crown jewel of avian biodiversity" by scientists.

A hand-built folk art installation covered with messages of God's love.

Small museum packed with artifacts recovered by the man rumored to be the real-life inspiration for Indiana Jones.

Storybook cottage in Beverly Hills was once the site of 1920s silent film studio, affectionately known as "The Witch's House."

What was once thought to be a wellspring of unicorn bones is actually just a prehistoric burial site.

This fairytale-like structure is the last turf church ever constructed in Iceland.

One of the most remarkable caves in all of Iceland was created by a once raging river of lava.