Colorful sand dunes create a unique attraction in this part of Utah's red-rock country.

The only ski tunnel in North America provides easy access to amazing snow and beautiful views.

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

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

Local lore holds that Butch Cassidy took an escape route through Red Canyon's sandstone hoodoos after an attempted murder.

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

A small oasis not far from downtown Moab.

Largest man-made excavation on earth!

This quiet park's strange sedimentary spires were named after Kodak's color film.

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

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

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

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

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

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

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.

A fitting attraction for the corn capital of the world.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

One man's quest to save his town with a trail of record-breaking sculptures.

The ruins of Theodore Roosevelt's beloved ranch stand in a forgotten corner of a national park named after him.

The world's largest Holstein cow.

When an ancient supervolcano erupted, some of Nebraska's prehistoric animals were forever preserved in ash.

For books about travel, whether factual or fictional, the perfect antiquarian does exist.