Check out a hidden collection of vintage neon signs.

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

A dangerous narrow-gauge railroad once traced a route through this striking canyon.

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

This enigmatic building features numerous architectural styles.

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

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

Victorian "Fancy Craft" Hair Wreaths and Relics.

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

A lively annual event in which thousands of people race to push coffins heavy with bodies up a hill.

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

A multiversal transit station located right below a highway interchange.

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

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

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

The largest dinosaur trackway in North America is tucked away among this canyon's ghosts and archaeological gems.

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

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

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

The haunted reputation of these abandoned Colorado train tunnels is probably not helped by the terrifying spiked fence.

At the tallest peak in Colorado, an electrifying mix of thin air, lightning, and rivalry.

A downtown park built on top of unclaimed graves.

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

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.