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

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

Final resting place of a 19th century gold prospector and convicted cannibal.

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

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.

Less a museum than a bizarre fantasy world created by artists and engineers.

What was once a presidential estate is now an exotic menagerie and home to the Budweiser Clydesdales.

The fastest mail service in the west is tracked and memorialized along this 1,400 mile trail.

The show pony of cave systems, Fantastic Caverns manages to live up to its name.

An unexpected but incredible collection of wildlife dioramas spanning rainforests, swamps, forests, and plains.

An adorably sweet display of sculpted Precious Moments figurines.

When you can afford only half a road, you build only half a road.

The grandson of a Kiowa chief created what has become the iconic symbol of a city on the Plains.

The fifth tallest statue in the United States is a shirtless monument to the oil worker.

One of the best examples of Art Deco architecture in the United States.

One of the largest Masonic temples in the world, created at the height of the oil boom in ostentatious style.

Collection of skeletal systems from the "world's leading supplier of osteological specimens."

The future of roadside attractions is this sci-fi soda mecca that is home to a 66-foot tall neon pop bottle.

The surprising home of the iconic Santa Monica Pier Ferris Wheel.

Travel through the hidden underbelly of the city in colorful tunnels filled with art and history exhibits.

An immersive art experience built by local arts collaborative, Factory Obscura, in the building formerly known as The Womb, a psychedelic arts center founded by the frontman of the Flaming Lips.

An old spiral fire escape dangles above a public courtyard in Midtown Oklahoma City.

Sitting in the arguable birthplace of the Wild West, this museum holds the largest collection of bronco busting bric-a-brac in the world.

Built from oil field parts and resembling a teepee, this abandoned mid-century church is hoping for a comeback.