A unique geological area spiked with wind-carved rocks that resemble teepees.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

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

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

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

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."

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

The highest point in Texas is capped by a big silver pyramid.

An enormous pink granite batholith, long attributed with spiritual powers by the Tonkawa Indians.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

Turning night into day in Victorian-era Austin to thwart a serial killer.

Free public park and gardens filled with peacocks and peahens.

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

A store full of vintage and indie toys designed to bring out the kid in even the crustiest of adults.

One part antique store, one part curiosities hodge-podge.

Continuing the tradition of the dime museum in style.

A tree bears footwear on the loneliest road in America.

The arch that celebrated the completion of the Lincoln and Victory highways.

An iconic 1960s theater with a Buckminster Fuller-style geodesic dome.

“Live hard, ride fast, eat pizza” at this joint filled with Evel Knievel memorabilia.

Bill Murray bowled three straight strikes here at Reno's "Taj Mahal of Tenpins."

Curiously, this large sporting goods store features 14 wax representations of American presidents.

Nevada's largest cactus collection stands outside a candy mogul's small factory.