A paradisical gorge with rapids, waterfalls, and wildlife whose raw beauty is the stuff of CGI movies.

Mysterious "dots" seen from a satellite in southeast Peru.

Mystic Incan rock piles three miles above sea level.

This small oxbow lake has rare giant river otters and some Seussian-sounding birds.

This unimaginably large pile of sand near Nazca is one of the tallest dunes in the world.

The highest tropical mountain range in the world is in Central Peru, home to a vast array of exotic and quirky plants and animals.

One of the most remote lodges in the Amazon offers rare wildlife encounters and undisturbed views of the Peruvian rainforest.

A jungle cave in Peru of unknown depths, otherworldly sounds, and strange nocturnal birds that navigate by echolocation.

Did Inca children also slide down these smooth rocky slopes above Cusco?

The world's largest clay lick, where parrots gather to snack.

The world's fifth tallest waterfall is a spectacular silver chute of water that cuts through the cloud forest in northern Peru.

With nearly double the depth of the Grand Canyon, this Peruvian canyon is one of the deepest in the world.

Extraordinary rock formations in open Peruvian fields.

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

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

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 remarkable geological formation resembling a forest made of stone.

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

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

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

The oldest steel ship in Iceland has been beached for years and is now a rusting ruin.

Largest private bird collection in Iceland, formed from a tragic accident.

This scenic Icelandic lava flow is named for a pair of Berserkers who were murdered, according to a famous Saga.

This mountain fissure hides a secret path to a secluded mossy grotto within the rock itself.