Once a lonely sentinel on the edge of the Great Plains, this rebuilt trading fort offers a glimpse of life on the Santa Fe Trail.

Once named the “world’s oldest gas station” due to its unusual construction material.

Ute tour guides have been sharing the ancient dwellings and rock art inside this large park with visitors for more than 40 years.

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

A sharp bend in a dramatic river canyon cut through red rocks.

The unusual patterns in this rock formation result from two distinct modes of weathering.

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

A kitschy stop on the way to Zion National Park.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

Finally the worlds of UFO enthusiasts and beef jerky lovers have come together in this roadside shop.

This giant temperature attraction created some giant electric bills.

A public art installation featuring clawfoot bathtubs on stilts sparks admiration and controversy from locals.

340 bicycles, 65 feet high.

A huge work of Burning Man-inspired outsider art on the grounds of a California winery.

A giant fiberglass Muffler Man found new life as a rodeo guardian.

This massive redwood tree has a hole in the base big enough to drive through.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

Commonly referred to as the most photographed Victorian home in the United States.

A carnivorous plant paradise in a serpentine bog.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

A vertically floating hemlock controls the waves and weather at Crater Lake.

This extinct shield volcano is the lightning rod of the Cascades.

A Victorian-style home known as the “Castle on the Hill.”

The eerie remnants of an ancient forest were hidden under the sand for centuries.