These decaying bridges 1,000 feet high are a reminder of the skill it took to cross the Colorado Rockies by rail.

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

The haunted reputation of these abandoned Colorado train tunnels is probably not helped by the terrifying spiked fence.

The largest source of fossilized insects anywhere.

The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.

This spectacular track has run continuously since 1882.

An architect in Aspen used psychedelics as his muse while building this mushroom masterpiece.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

The highest bridge in America was built for an almost unnervingly small amount of money.

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

Strange red rock formations that have been attributed to a higher power for hundreds of years.

A technicolor place of worship for Elevationists.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

A museum honoring Oklahoma military service, where you can look into Hitler's mirror and see a Mickey Mouse gas mask.

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

The alley connecting two of country music’s most historic venues has a rich history of its own.

The world's longest known cave system.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

A giant pair of thick black glasses mark the tragic demise of a trio of rock and roll legends.

The world’s largest truck stop includes a barber shop, chiropractor, and a huge museum with antique trucks.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

This monumental Jesus is often referred to as "Our Milk Carton With Arms."

An extravagant western hotel where every floor is the "ground floor."