A glimpse into the "Logging Capital of the World" at a time when there was far more forest and far less machinery.

The largest source of fossilized insects anywhere.

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

When ecosystems collide in the arid Southwest.

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

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

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

Hidden beyond a kitschy giant beetle is this remarkably sprawling collection of preserved insects.

This deserted Gold Rush town is home to a Masonic lodge that, strangely enough, still holds meetings.

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

While most of the games in this arcade take quarters, that would have been a small fortune when they were made.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

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

This statue of an obscure comic strip hero stands as a tribute to patriotic service and a cautionary tale about embracing fads.

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

Small teepee-like houses built for TB patients have become sheds, studios, and bus stops around Colorado Springs.

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

The oldest operating cemetery in Denver is the eternal home of some of the Centennial State's most famous residents.