This fully restored synagogue explores the American Jewish experience along the old frontier.

This 19th century jail was mainly used to incarcerate the drunk and disorderly.

An abandoned sawmill from more than 134 years ago stands testament to the ambition of one man.

A mental health hospital dating back more than 139 years, now features a museum.

This historic stone barn is the former home of legendary cattleman Charles “Lonesome Dove” Goodnight.

This three-mile concrete levee in Pueblo, Colorado was transformed into the world’s longest painting.

The largest self-built castle in the U.S., six decades in the making.

Community owned and operated, this property is home to a diverse set of nudists.

Open-air cremations in Colorado's self-proclaimed spiritual mecca.

One woman's UFO-themed campground, complete with self-built energy vortexes, UFO-themed weddings, and magic bushes.

A mural of the Virgin of Guadalupe painted on the rock wall by canyon's religious namesake.

Historic, 19th-century wagon wheel ruts cut into soft volcanic ash.

Possibly the world's only drive-in movie theater with an attached motel.

The scene of one of the darkest moments in American labor history has been left essentially untouched since the tragedy.

This small piece of railroad history sits behind the parking lot of a chain grocery store.

A roadside attraction filled with an astounding array of gloriously wacky vehicles.

This volcano rises like a giant anthill from the plains below, with a road spiraling up to the rim.

The former home of the "Manassa Mauler" is now a museum dedicated to his legendary boxing career.

The childhood home of Henry Jones Jr. is now an adventure-themed bed and breakfast.

An antique narrow gauge railway line still running through the Colorado and New Mexico mountains.

This unassuming layer of clay boasts an out-of-this-world origin story.

The highest point in Oklahoma used to be a lawless outlaw's paradise.

This marker identifies the location where three states converge.

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.