A stoic rock cairn is all that remains to remember one of the more brutal instances of frontier treachery in American history.

A small oasis not far from downtown Moab.

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

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

A striking, menacing sandstone peak towering above a landscape that's equal parts Mordor and the Moon.

A Mars simulation in the southern Utah desert.

The fifth-longest natural arch in the world, and the longest outside China.

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

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

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

This roadside stop between Goblin Valley is the perfect location to view some of the region's natural wonders.

Bizarre lunar-like landscape with thousands of large stone "hoodoos."

Walk through the sets of old western films at this small museum in Utah.

This quiet park's strange sedimentary spires were named after Kodak's color film.

Giant pinnacles in the sun-scorched lands of Southern Utah have been nicknamed "white ghosts."

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

Dramatic river bend surrounds a natural red-rocked pedestal.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

Even in death, he's still your huckleberry.

When ecosystems collide in the arid Southwest.

The highest bridge in America was built for an almost unnervingly small amount of money.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

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