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

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

Largest man-made excavation on earth!

The highest peak in Utah is the hardest to reach, but only if explorers choose the hard way.

Local lore holds that Butch Cassidy took an escape route through Red Canyon's sandstone hoodoos after an attempted murder.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

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

A small flooded ghost town with a few scattered structures remaining.

A house carved into a rock in the 1940s.

This concert pavilion on the shore of the Great Salt Lake has been destroyed by fire, water, and disinterest but keeps coming back.

Seller of surplus nuclear research materials.

The site of Billy the Kid’s most famous escape and the end to the Lincoln County War.

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

Some 2,000 carvings show this rare desert spring has been an oasis for travelers for over a thousand years.

The final resting place of the living embodiment of the famous Forest Service symbol.

The world's first commercial spaceport is a disappointment of cosmic proportions.

Home of the International Space Hall of Fame.

This museum started as a collection of Manhattan Projects and continues to add exhibits as they are declassified.

Buried beneath the New Mexico sands are believed to be millions of copies of Atari's E.T. video game.

A ghost town revived by hippies and wanderers throws its own special brand of holiday parade.

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

This is one really big nut.

These ruins of a pre-Columbian cliff village are among the most beautiful and well preserved in New Mexico.

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