No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

Every equinox this Maya pyramid puts on a spooky ancient light show.

This city park wants you to take your shoes off.

Located outside Medellín, this Colombian park focuses on conservation and sustainability.

The entire length of the border is marked by a 20-foot-wide slash through the trees.

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

World's largest collection of serial killer artwork and other macabre exhibits.

Once a year in Pomuch, the dead are taken out for a cleaning.

One of the few places where you can visit a cenote and Maya ruins at the same time.

A hidden treasure of an abandoned city lies deep in the jungles of Campeche, Mexico.

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

These azure waters were thought to lead to the Mayan Underworld.

This small, yet notable, cable-stayed bridge was built to support tourism to a series of internet-famous pink lakes.

In the middle of this historic colonial city resides a modernist government building known as the UFO.

These winged Maya figures are the subject of speculation and conspiracies.

This one-of-a-kind convent boasts a kaleidoscopic exterior of stars and double-headed eagles.

Its sunny hues are believed to have inspired the town's color palette.

The walls of a colonial-era fort encircle a small, tropical assortment of plant life.

Half-hidden by grassy slopes, this striking Spanish colonial fort is now a museum of underwater archaeology.

It might look like a doghouse, but this small structure was actually built to house a spirit from Maya mythology.

Few of the many visitors to this resort town know of its hidden Maya ruins.

World's most expensive home.

One small town in the Pacific Northwest transformed itself into a Bavarian-themed tourist destination.