Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

One man's swirling six-acre monument of stone.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

The elliptical citadel resisted the advance of the mighty Ottomans several times, thanks to the military prowess of the "Dragon of Albania."

What happens when you cross a mayor and a painter?

A medieval bridge stretches over a sulfur-rich river that leads to year-round natural hot springs.

A naturally beautiful, seemingly bottomless deep blue spring.

Right angles in the forests of Panama.

Volcanic activity causes small pools of super-heated mud to boil furiously.

The youngest volcano in Central America.

A full-size replica of this well-preserved temple lets you take a walk through the Mayan age.

Remote Honduran Islands with a colorful history.

This staircase full of Mayan hieroglyphics is perhaps the largest single text in the world.

A ruined Maya city that suffered a years-long case of mistaken identity.

Natural saunas fed by volcanic heat.

An impressive century-old, to-scale topographical map of Guatemala.

Mesoamerican monoliths and zoomorphic stones covered in royal visages, ancient mythology, and grand celestial events.

One of the world’s most colorful cemeteries, where each pigment is symbolic.

Volcanically heated hot springs.

Hidden deep in the Guatemalan jungle is a turquoise paradise of natural pools, caves, and waterfalls.

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

This Costa Rican topiary park is a surreal garden of unearthly delights.

These mysterious ancient stone spheres were created by a civilization lost to time and are now mostly lawn ornaments.