The story of Two Guns, Arizona could easily be described as a Shakespearian tragedy on Route 66.

The largest wildlife crossing in Utah allows local fauna to safely traverse the six-lane Interstate 80 at Parleys Canyon.

Colorado's only true geyser is hidden within the San Juan National Forest.

A stealthy Apache hideaway that became the haunting site of a mass grave.

A desert settlement founded and later abandoned by Hawaiian members of the Church of Jesus Christ of Latter-day Saints in Utah's Skull Valley.

The remains of this hell for leather wild west town can still be found in the Arizona desert.

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

This geothermal hot spring hides beneath a slowly growing mineral dome.

Ancient pueblos built into the base of a natural canyon wall.

Bootleggers ran booze beneath this building before (and after) Route 66 appeared beside it.

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 canyon with petroglyphs and a seasonal waterfall, only a short hike from the remnants of old Route 66.

Witnessing the might of this dessert-colored desert waterfall is a rare, powerful treat.

In the heart of Brigham Young's promised land sits a festering plot of industrial ruin that has been claimed by society's outcasts.

This remote desert watering hole has a connection to a curious chapter of American history.

A ghost town that held steady longer than most, but finally gave up the ghost.

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

The remains of this early 20th century refinery loom on a mountainside like a graffiti-covered fortress.

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

This former Mormon settlement is reemerging from the receding waters of Lake Mead.

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

A dazzling display of red rocks weathered into spires and hoodoos.

An homage to everyone's favorite prehistoric cartoon family.

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