This spectacular track has run continuously since 1882.

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

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

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

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

This modern antique shop is a museum for 1980's Saturday morning cartoon culture.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

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

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

The same security that protects our nukes accidentally protected a gentle herd of antelope.

This town is home to the world’s largest arch constructed entirely of elk antlers.

The high point on the 16th president's eponymous roadway is marked by a massive version of his head.

A monument to the egos of two railroad magnates that fell into decline along with their careers.

Miraculous tree that seems to sprout out of solid rock.

The first declared National Monument in the United States.

Features unique photographic collections by women of the American West and historical attractions such as a two-story outhouse.

Long before guestbooks and hotels, frontier travelers signed their names on this rock face.

This mining town boomed in the Atomic Age when uranium was gold, only to be abandoned when the industry collapsed.

A century-old cabin off of Highway 30 touts an unusual construction material: dinosaur bones.

A devilishly named gorge that was a sign of salvation for many pioneers.

A popular rock that acted as a waymarker for American pioneers.

A small town built on an abandoned airfield has former runways as streets and a bar and grill in an old airplane hangar.

Happen to come across a dead eagle? Send it to America's official dead eagle warehouse.