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.

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

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

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

In Tucson a giant metal snake helps pedestrians cross a busy highway.

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

This historic national park is covered in the stunning ruins of red rock pueblos.

See massive fossils that are over 200 million years old in northeastern Arizona.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

Legends surround this jagged rock formation in the New Mexico desert.

One person’s lost luggage is another person’s treasure.

The only completed wing of Utah's first capitol is filled with artifacts and odd stories about its past.

Water flowed out of the town's unusual tree stump fountain in the 1930s, and the well still runs today.

A towering tribute to decisiveness stands on the spot where Brigham Young and his followers decided that this must be the place.

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

Dubbed the "Blade Runner dragon," this buzzing neon sign is a beloved local icon.

Largest man-made excavation on earth!

Visitors to this library are in for a real-world education in modernist architecture.

Jurassic Park—A Still Life.

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

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

Settled by the Church of Jesus Christ of Latter-day Saints in 1859, this abandoned frontier town has appeared in several films.