Just a man taking his prehistoric pet for a stroll.

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

This water tower slanted at an uncomfortable angle off the old Route 66 was an ingenious marketing ploy.

This constitutionally sound Muffler Man harkens back to the days these attractions were a must-see.

These half-buried combine harvesters just off Route 66 are an homage to the Cadillac Ranch.

The Grand Canyon of Texas.

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

This is one really big nut.

A prison-like structure guards the remains of a notorious Old West outlaw.

Metal water storage tank turned ethereal concert hall.

The fifth tallest statue in the United States is a shirtless monument to the oil worker.

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

Nature's biggest mammal swims in landlocked Oklahoma.

An acoustic anomaly with a mysterious cause.

This abandoned mine and power plant was built atop land once given to Revolutionary War soldiers.

A bizarre roadside attraction and the first instance of miniature golf in the world.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

Rather than a run-of-the-mill franchise hotel, this lodging has been decked out in dinosaur decor.

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

An emerald-green grotto just a short trip from Austin.

A blacklight journey through a celestial art exhibit.

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

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

A museum dedicated to the alleged Roswell Incident.