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

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

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

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

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

Jurassic Park—A Still Life.

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

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

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

A house carved into a rock in the 1940s.

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

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

Not everything is bigger in Texas.

This quirky outpost and gallery inside a former church is an unexpected trove of handcrafted art.

A little stop along the Texas highway where Rock Hudson, Elizabeth Taylor, and James Dean stayed while shooting the 1955 film "Giant."

This old abandoned sign flickers to announce a motel that isn't even there.

A Prada store in the West Texas desert that is never open for business.

The interior of the Overlook Hotel in "The Shining" was based on this Yosemite original.