These Pre-Columbian petroglyphs contain representations of birds, deer, hunters, and even some early Native flute players.

The old Route 66 town straddling Texas and New Mexico died along with the Main Street of America.

Legends surround this jagged rock formation in the New Mexico desert.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

A museum dedicated to the alleged Roswell Incident.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

An amalgam of precariously balanced boulders, ancient petroglyphs, and Buddhist shrines.

The Thai Army has dug deep trenches along the Thai/Myanmar border to prevent drug smuggling.

You'll never meet anyone this passionate about elephant droppings.

In Phetchaburi, Thailand, a roadside vendor cooks his fare with 1,000 mirrors and the power of the sun.

This elegant carving of the Buddha guards a small Buddhist temple within a cave.

Buddhist university that allows English-language speakers the opportunity to study with monks in Thailand.

This nugget of paradise earned its name for obvious reasons.

A phallic shrine to a princess goddess in Krabi, Thailand.

Cavemen, elephants, and eagles greet passengers driving through the town's main intersection.

A forsaken beachfront condo abandoned after the Boxing Day Tsunami.

This bridge made famous in a novel and on-screen wasn't actually built over the river Kwai.

A small museum in the Golden Triangle tells the story of the opium drug trade that gripped Northern Thailand.