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

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

An abandoned Incan construction project left behind a mysterious "doorway."

An Inca spa, military outpost or maybe… both?

This Peruvian bone silo lined with hanging human skeletons and hundreds of skulls is topped with a remarkable Michelangelo replica.

The little bear in the "funny kind of hat" has made his way from London back to Peru.

The mysterious "Candelabra of the Andes" could represent anything from a god's trident to a hallucinogenic plant.

Situated on a sacred Inca site, this 16th-century cathedral took nearly 100 years to build.

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

This metal tower in the desert provides views of a handful of Nazca geoglyphs.

This geometric feat is a testament to the Incas' mesmerizing architectural abilities.

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

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

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

Now containing the bones of the actual conquistador, instead of someone else.

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

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

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

Extraordinary rock formations in open Peruvian fields.

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

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

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

Death rituals and sacrifice inside a Peruvian megalith.

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