When zealous marijuana enthusiasts kept stealing the "Mile 420" highway marker, the State of Colorado got creative.

Curios, scientific antiques, oddities for sale.

See six states, pickled freaks, rocks, and antiques.

This "zoo" is a cross between a junkyard and a sculpture garden, featuring animals you won't see anywhere else.

A picturesque (all-natural!) beach in a landlocked state.

This vintage theme park is peak Christmas kitsch—and it's open all summer.

The hallowed ground of one of the worst atrocities in United States history.

One of three remaining theatres in the United States created in the Art Deco Mayan Revival style.

This open-air reconstruction of an Old West town, a cross between a theme park and a museum, provides an immersive historical experience.

A Colorado store that specializes in all things spiritual, metaphysical, and witchy.

One of the oldest continuously operating amusement parks in the U.S. is an open-air museum of Art Deco and neon lights.

Meet Rita the Rock Planter, one of Danish sculptor Thomas Dambo's enormous wooden trolls.

The warmth and creative kitsch of a quilt engulf every patron who visits.

This unassuming building houses one of the world's most extensive collections of cars created by automotive legend Carroll Shelby.

A tiny town’s tiny museum with some gigantic residents.

On the edge of grassland in northeastern Colorado, these rock formations are some of the few remnants of a high plain that has eroded away over millions of years.

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

This statue of an obscure comic strip hero stands as a tribute to patriotic service and a cautionary tale about embracing fads.

One of the oldest art supply stores in the United States.

A renovated hotel is bringing new life to a nearly-abandoned mining town in Colorado.

See 150 million-year-old dinosaur tracks and bones dating back to the Jurassic period.

A short but powerful waterfall resides amid Colorado’s Great Sand Dunes.

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

Check out a hidden collection of vintage neon signs.