This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

Massive still life just off the highway in Kansas.

When it was built in 1929, this historic bridge was the only place to cross the Colorado River for 600 miles.

This isolated outpost was once the only place to cross the Colorado River for hundreds of miles.

These mid-century motels once housed the workers who built the Glen Canyon Dam.

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

Dramatic river bend surrounds a natural red-rocked pedestal.

Most-visited and most-photographed slot canyon in the American Southwest.

Limestone caves with spectacular showcase chambers.

The hallowed remains of a 900-year old Ancestral Pueblo great house.

Once a menacing challenge for trailblazers, this trail is now the most scenic drive in Utah.

This titanic steel chain linking two buildings was installed without permission but instantly beloved.

This psychedelic tromp l'oeil seems to be beckoning drivers to crash into a wall.

Oddly shaped rock formation, misassociated with a nearby utopian community.

Search for traces of the dinosaurs that roamed here more than 90 million years ago.

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

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

Natural catch-basin rocks covered in thousands of drawings spanning many millennia.

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

A pair of giant legs paying homage to a poem, a king, and it would seem, socks.

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

Wee (and not so wee) footprints that insects and reptiles of the Paleozoic Era left behind.

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

The petroleum industry brings you the joys of hydrocarbons and largest collection of antique oil rigs in the world.