Once owned by the largest employer in Colorado, these ovens have been abandoned for over a century.

One of the oldest continuously operating amusement parks in the U.S. is an open-air museum of Art Deco and neon lights.

A short but powerful waterfall resides amid Colorado’s Great Sand Dunes.

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

Take a dip in the world's largest mineral hot springs pool.

It would be easy to walk past this unusual piece of art and have no idea it pays tribute to the odd life of a real chicken.

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

Isak Heartstone, a 15-foot wooden troll made out of recycled materials.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

At one time this small mining village was the highest town in America but now it sits abandoned while the mine churns on.

A multiversal transit station located right below a highway interchange.

Once an unstoppable source of gold and silver, this town came to a grinding stop when the groundwater proved deadly.

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

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

This iconic science fiction house still looks like something from the future.

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

A downtown park built on top of unclaimed graves.

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.

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.

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.

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