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

Despite its name, this route in southern Utah offers a heavenly day trip.

The graffiti-covered ruins of an abandoned trading post in the middle of the Navajo Nation.

A well-preserved Ancestral Puebloan ruin tucked beneath a desert cliff.

An Ancestral Puebloan ruin that appears to burst into flames in the sunlight.

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

This ghost town was once a cult-like religious utopian settlement.

One of the world’s largest collections of petroglyphs records 2,000 years of human activity.

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

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

The location where the iconic movie character declared it was time to go home.

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

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

In 1967, murder and mayhem disrupted the tranquility along this quiet stretch of Old Route 66.

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

More than 21,000 images fill this overlooked gem of a prehistoric site.

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

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.

Steep canyon walls hide a forested oasis in the West Texas desert.

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

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

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.