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

A multi-storied adobe complex has been inhabited for more than a thousand years.

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.

These aggressively sustainable art homes look like something out of 1970's science fiction.

A futuristic temple of light uses prisms and rainbows to create an atmosphere of peace.

A clear blue swimming hole with hidden caves, still unexplored.

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.

A massive collection of rare and antique books in a tiny ranching community in northern Texas.

Home to an endangered salamander, a full moon celebration, and a large spring-fed outdoor swimming pool.

The house where the pulp fiction writer and Conan the Barbarian creator lived.

"Dallas’s pretty much only carnivorous plant gallery."

Search for traces of the dinosaurs that roamed here more than 90 million years ago.

The 19th-century ruins hide deep in an overgrown forest.

Nestled in the heart of a Texas town is a dreamy secret garden dating back to the 1940s.

Two massive and unstable sinkholes are yearning to unite, and their consummation could be catastrophic.

An abandoned, decaying sculpture garden built by an eccentric physician in the 1920s now looks more like a forgotten cemetery.

This tiny, hurricane-resistant house in Galveston is one of the city's most notable architectural oddities.

A wacky, UFO-shaped house in a suburban neighborhood.

This beautiful grotto is one of those places where you can't believe you're just outside Austin.

A taste of Middle Earth, in the middle of the Bayou City.