These mammoth-yet-narrow crevasses in the Earth are perfect for taking an otherworldly swim.

A dangling church built over a Colombian gorge.

Massive volcano in the Andes is the farthest point from earth's center.

A turquoise lake within a volcanic crater.

A swing to dangle you off the very edge.

Ecuador's largest Incan ruins show evidence of sophisticated irrigation and diplomacy among the ancient builders.

An Ecuadorian haberdashery that sets the record straight about the so-called "Panama" hat.

The shockingly unspoiled Peruvian tomb of the Lord of Sipan was once guarded by a footless warrior.

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

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

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.

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

These ruined Incan mausoleum towers still bear carvings of sacred animals on their blocks.

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

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

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

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

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

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

The walls and ceiling of this Polish church are decorated with thousands of skulls, with another 21,000 skeletons just below.

Naturally formed rock city in Poland.

Modern art commemorates one of the first military actions of World War II.

An underground city of salt.

Real bones which are said to have belonged to a Polish dragon.