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

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

A gothic palace of endless stalagmites and pseudoscorpions waits within one of the world's most beautiful caves.

The longest living non-clonal organisms on Earth.

A Mars simulation in the southern Utah desert.

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.

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

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

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

One man has installed bathtubs into the Utah desert floor to harness the powers of a natural hot spring.

This plaque marks the site where the penultimate chapter in the journey of two doomed boys unfolded in an imagined parallel universe.

A proto micro-nation sometimes populated by artists, surrounded on all sides by a Utah most barren.

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

Sandstone rock formations that look like they belong on the cover of a progressive rock album.

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

The highest peak in Utah is the hardest to reach, but only if explorers choose the hard way.

Dig for your own trilobites in this goldmine of invertebrates.

Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.

Here lies Lilly E. Gray, an alleged "victim of the beast," but the reason long remained a mystery.

Pyramid home to an obscure religious group that practices modern mummification.

This lava formation earned its whimsical name from the log-like formation of it stones.

This granite monument at the site of an ill-conceived tourist attraction is built from the same stone as the Mormon Temple.