Originally conceived as part of a proposed Arizona State Capitol building in the 1950s, this structure built in 2004 stands as a monument to the architect's legacy.

The massive, incredibly rare instrument is over 11 feet tall with a range so deep it goes lower than humans can hear.

This striking public art installation is suspended above a public park, designed to gently move in the breeze.

Ancient pueblos built into the base of a natural canyon wall.

Witnessing the might of this dessert-colored desert waterfall is a rare, powerful treat.

What is the Thing?

The outcropping is graffitied with the name of the beloved musical Muppet television series.

Hike the unusual hoodoos and rock formations that form this little-known natural wonder.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

This is one really big nut.

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.

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 two-room shotgun shack in Tupelo is the birthplace of a King.

Elvis's own personal tropical hideaway.

Since it formed millions of years ago, this cave system has been a sacred burial ground, a Prohibition-era speakeasy, and the center of an amusement park.

A blacklight journey through a celestial art exhibit.

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

A museum dedicated to the alleged Roswell Incident.

A natural formation that resembles a camel resting in the New Mexico desert.

"I did this all while you were watching TV."

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

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