This was once the center of the Birdman cult, and is now a World Heritage Site.

Become a prohibition rebel.

5,000 skulls in memorial to those killed by the Khmer Rouge.

This tiered waterfall is so pretty it may cause visitors to cry tears of their own.

The best place to send your postcards home from Antarctica.

This abandoned Antarctic base sits nearly unchanged since it was forsaken in the 1950s, just waiting for you to visit.

An abandoned whaling station on an active volcano offers hot springs in Antarctica, surrounded by ruined giants of industry.

Sleep in a glass pod dangling off a cliff.

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

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.

A fascinating little museum all about the rich history of Peru’s famous plant.

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

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

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