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

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

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

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

A striking, menacing sandstone peak towering above a landscape that's equal parts Mordor and the Moon.

A Mars simulation in the southern Utah desert.

A hidden garden of stones engraved with scriptures, a Joseph Smith Sphinx, all carved by one man.

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

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

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

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

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

Dig for your own trilobites in this goldmine of invertebrates.

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

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

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

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

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