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 museum dedicated to the alleged Roswell Incident.

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

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

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

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

These massive mitts are made of 30 tons of devotional bronze.

A mysterious drive-in nestled in the forest that leaves little to the imagination.

At the "Garage Mahal" in Houston, car culture is about more than just driving.

A private collection of massive steel monsters guarding a Texas pipe works.

Visitors can walk over the largest concentration of Columbian mammoths to have died from one event.

An abandoned quicksilver mining town surrounded by the Big Bend parks.

A grove of colossal man-made flowers built to collect the sun's rays.

A recreated Stonehenge stands in a country field, complete with Easter Island moai heads standing as sentries.

Mysterious glowing orbs float through the desert night.

The Grand Canyon of Texas.

A 90-year-old underground water reservoir offers a more industrial kind of tranquility.

A modernist landscape of water and sci-fi concrete.

This unique structure in suburban Austin is made up entirely of other people's castaways, and constantly changing.

St Bernard de Clairvaux Episcopal Church, better known as one of the oldest European buildings in the Western Hemisphere.