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

This National Natural Landmark is one of the best examples of a “mass wasting” in the world.

A focal point of in Denver’s skyline for over a century, inspired by a Venetian basilica.

The remnants of the base where US Army troops learned how to fight in extreme conditions.

Paleoamericans built these ancient walls high in the Colorado Rockies as part of an extensive hunting system.

According to local legend, a tree grew from the stake that killed this alleged vampire. In reality, he probably died from influenza.

This old train trestle and collapsed tunnel once allowed the railroad to negotiate the steep slopes of the Colorado Rockies.

Each year, teams of the world's best snow sculptors have 65 hours to create frozen masterpieces.

A stark reminder of the huge nuclear weapons plant that once stood on the site and its effect on the surrounding area.

There are eight natural springs around town, each with a slightly different taste.

The remains of the dam that unleashed a 15-foot wall of water on Denver.

This razorback ridgeline has doubled as a scenic drive since the early 1900s.

Travel through the wholesome amusements of yesteryear at this charming miniature village.

The moving metal works of one troubled artist can still be viewed on his front lawn... for now.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

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

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

When ecosystems collide in the arid Southwest.

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

Hidden beneath a bridge, this waterfall is known for the large amounts of graffiti painted on its base.

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.

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

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.