Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

One of the final grand railway depot hotel complexes is slowly being restored to its former glory.

After a short-lived attempt to bring America in line with the rest of the world, this road was left in metric.

Stairs often replace streets on the steep slopes of this old mining town.

A Wild West jailhouse that slid down the mountainside.

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.

This giant steer-skull edifice refuses to die.

Walk through the actual strap iron cells and solitary chambers of Arizona Territory’s first prison.

Don't blink or you'll miss it.

This Route 66 classic sports a giant fiberglass rabbit that you can ride.

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

The story of Two Guns, Arizona could easily be described as a Shakespearian tragedy on Route 66.

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

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

This prison-turned-museum is a remnant of the Old West's grizzly, violent past.

One of the smallest towns in the United States.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A beautiful geyser under environmental threat.

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

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

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

Despite sitting firmly in the global cradle of the Church of Jesus Christ of Latter-day Saints, this Hare Krishna temple is host to one of the largest color festivals outside India.

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