Hidden inside this Arizona fast food franchise is an in-depth exhibit on the famed WWII counterintelligence program.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

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.

On the side of a remote mountain, a stone face bearing an inscription of mysterious origin.

A warm desert spring holds one of the rarest species on earth.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

A wealth of pop culture statuary and green chile dishes give this roadside restaurant clout.

The state bird of New Mexico, constructed entirely out of garbage.

When life gives you Prohibition, open a bar in Juárez.

A Bhutanese temple gifted from the isolated Himalayan kingdom is now a surprising cultural gem located at the University of Texas at El Paso.

At this research institute, the chile is king.

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

Hidden in the New Mexico desert southeast of Roswell, nine small deep lakes formed inside sinkholes.

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

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

A small car graveyard sits in the shadow of the famous Cadillac Ranch.

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

Once in disrepair, this popular Texas stop along iconic Route 66 has been restored to its past glory.

Behind the Cowboy Hall of Fame is a burial ground for good horses and a famed rodeo bull.

Sitting in the arguable birthplace of the Wild West, this museum holds the largest collection of bronco busting bric-a-brac in the world.

Along the historic Mother Road is an old gas station with a secret counterfeiting past.

The future of roadside attractions is this sci-fi soda mecca that is home to a 66-foot tall neon pop bottle.