The largest source of fossilized insects anywhere.

Rather than a run-of-the-mill franchise hotel, this lodging has been decked out in dinosaur decor.

This super steep hike ascends 2,000 feet in less than a mile.

Colorado's only true geyser is hidden within the San Juan National Forest.

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

A little-known hot spring haven right below the highway.

This Colorado hiking trail provides a small gold mine of abandoned gold mines.

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

Abandoned silver mine strewn with wrecked and twisted structures.

An architect in Aspen used psychedelics as his muse while building this mushroom masterpiece.

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

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.

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

A technicolor place of worship for Elevationists.

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

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

This naturally-sourced hot spring is now home to a clothing-optional resort.

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

Concerned residents saved this historic house and garden from demolition.

A former pillar of the Black community in Ellicott City.

The longest-covered bridge in the state of Maryland.