A small oasis not far from downtown Moab.

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

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

Few things look more out of place than the electric blue ponds in the reddish-brown desert of Utah.

The notorious Wild West outlaw was raised in this unassuming abode.

Largest man-made excavation on earth!

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

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

Settled by the Church of Jesus Christ of Latter-day Saints in 1859, this abandoned frontier town has appeared in several films.

Come for the speed, leave in love with the desert.

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 sculpture for the sun and stars, created by Nancy Holt.

An earthwork sculpture built by Robert Smithson in the Great Salt Lake only reemerges during drought.

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

One of the world's oldest and most massive living organisms is a grove of quaking aspens.

Visitors to this public park will also find the ruins of an old western fort.

Every year, festive decorations appear on this juniper tree located in the median strip of a busy highway.

This iconic 1958 tower welcomes air travelers to Tucson with neon-lit letters and architectural style.

This quiet chapel was central to a community of settlers who reclaimed an abandoned fort.

A replica of the flagpole that gave a frontier town its name.

Run by members of the Tohono O'odham Nation, this community farm nurtures traditional desert cultivars.

A mass grave for victims of an airline disaster that led to much-needed safety improvements for commercial flights.

Make a wish at what might be America's only Catholic shrine to a sinner.

The sprawling attraction boasts a collection of more than 150 historic wagons.