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.

Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

Sleep in a glass pod dangling off a cliff.

Huge stone depressions which may have acted as an Incan agricultural experiment.

This Peruvian canyon is filled with geometric salt pools that have been being harvested since the Incan empire.

Death rituals and sacrifice inside a Peruvian megalith.

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

The stones of this Incan wall complex fit together so well you couldn't fit a piece of paper between some of them.

A Christian monastery stands on what was once a holy Incan temple.

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

A painting in the historic Cathedral Basilica depicts Jesus and his disciples dining on a traditional Peruvian menu.

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

If you can look past the nearby sewer pipes, this urban sinkhole grotto is a mini-paradise.

A monument celebrating the idea of reaching inaccessible places.

Intricate, eye-catching, award-winning rubber sculptures liven up this Pennsylvania town.

This beautiful, historic church looks like something out of a simpler past.

This natural Icelandic fissure allows divers to swim right between two volatile tectonic plates.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

A restaurant devoted to "trouser grip" wrestling, an ancient form of Viking wrestling that is Iceland's national sport.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

Three columns of volcanic rock shoot out of the ocean.

Cairns built to bring travelers good luck stretch across the land like miniature stone mountains.