The only surviving prototype of Buckminster Fuller's revolutionary car.

The arch that celebrated the completion of the Lincoln and Victory highways.

This 1930s log cabin began as a taxidermy museum but is now a popular country music venue.

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

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

This former rail stop in Utah was abandoned, repopulated by some nostalgic friends, and now is home to a single DIY aviator who lives in a hangar.

The unusual patterns in this rock formation result from two distinct modes of weathering.

Erosion and various mineral deposits give this striking canyon its distinct color and soft appearance.

A 90-foot-tall psychedelic "tree" on the side of the highway has baffled passersby for decades.

This gallery of prehistoric red ochre art lines the wall of a scenic segment in Utah's San Rafael Swell.

A tunnel with windows, so you don't miss out on the impressive views.

Hundreds of drawings left by the land's previous inhabitants remain mysterious.

The largest island on the great salt lake is home to curious creatures and strange stories.

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.

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

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

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

Walk through the actual strap iron cells and solitary chambers of Arizona Territory’s first prison.

All of the 20 occupied houses in this mostly abandoned town feature some curious display of junk art.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

On the outskirts of a reborn ghost town, a decaying post office remembers the bad old days.

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

A spiritual vortex among the red rocks in Sedona.