This constitutionally sound Muffler Man harkens back to the days these attractions were a must-see.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

Bronze statue marks the spinach capital of the world.

In the 1950s, two women saved this grand theater in the Colorado mountains from demolition.

Overlooking the Colorado Convention Center is this giant sculpture made from thousands of triangles.

Two tall rocks sit at the center of this site, once the home of a large Ancestral Puebloan community.

A Rocky Mountain city provides a happy ending for a pinto pony and his Brobdingnagian red chair.

This nearly abandoned town was once a thriving mining community until a series of fires.

A hotel with a rich Wild West history of miners and bootleggers.

This hot dog-shaped diner has moved all around Colorado, never been to New York.

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

One of the largest Buddhist stupas in North America is built of concrete designed to last 1,000 years.

A downtown park built on top of unclaimed graves.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

One of the greatest heroes of the Titanic tragedy came from humble beginnings to this beautiful home.

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

When ecosystems collide in the arid Southwest.

This spectacular track has run continuously since 1882.

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

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.

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.

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