Sleep in a glass pod dangling off a cliff.

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.

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

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

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

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

Antoine de Saint-Exupéry's 1943 book shares a surprising connection with El Salvador.

The rusting hulk of a hand-powered, nearly 160-year-old submarine abandoned in 1869 due to the ravages of decompression sickness.

Right angles in the forests of Panama.

This huge green space packed with activities will make you forget you're in the middle of the Ecuadorian capital.

Building this tragically pointless stone barrier cost the lives of the prisoners made to build it.

Since the 1700s, this old barrel has acted as a post box that relies on the kindness of travelers.

An elaborate shrine dedicated to the four corners of the world unfortunately misses its mark.

A swing to dangle you off the very edge.

Costa Rica's best known combat zone, used during the Battle of Santa Rosa.

There is a small island in the Gulf of Nicoya where the only human inhabitants are dead.

One Costa Rican island is so beset by illegal shark poachers that the local rangers have built an entire bridge with their confiscated gear .

Disused penal colony features prisoner artwork, some sketched in human blood.

This neon blue river gets its color from a unique mix of bacteria and volcano minerals.

An enormous, 30-story-deep hole in the middle of Guatemala City.

Believe it or not, the now-ubiquitous California avocado originated in Guatemala.

These roaring primates were considered a divine creature in the cosmology of the Maya.

Monkeys inhabit the lush forest surrounding ancient Mayan ruins once considered sacred.

Giant kites are flown during this Day of the Dead celebration in Guatemala.