A mysterious pre-Incan ruin believed to have miraculous healing powers.

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

This stone complex marks the urban center of a lost civilization.

The remains of what was the most important religious complex in coastal Peru for over a millennium.

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

Extraordinary rock formations in open Peruvian fields.

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

Death rituals and sacrifice inside a Peruvian megalith.

These steeply terraced ruins are a stop along the Inca Trail to Machu Picchu.

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

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.

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

A market for witches is hidden within a train station.

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

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

The mortal remains of an estimated 70,000 people lie in the basement of a monastery in Lima, Peru.

A hyper-remote desert cave dramatized in "The English Patient."

The medieval center of the Islamic world was also once the seat of Saladin's sultanate.

Giant pigeon houses packed into city streets in Egypt.

Standing atop 2nd-century Roman ruins, this church is one of the oldest and most iconic in Old Cairo.

It might not be the prettiest pyramid in Egypt, but it may be the muddiest.

A network of ancient Egyptian tombs built into the cliff face along the Nile.

The forgotten mummies of Dakhla oasis.