This hot dog-shaped diner has moved all around Colorado, never been to New York.

A futuristic hovertrain is parked unceremoniously alongside a nondescript road.

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

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

This 19th century jail was mainly used to incarcerate the drunk and disorderly.

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

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

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

The largest source of fossilized insects anywhere.

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

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

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

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

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

The superstar of Cold War nuclear bunkers has been featured in countless films but is now barely operational.

This Boeing KC-97 tanker is now a restaurant for aviation lovers.

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

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

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

This grand stone tower was dedicated to a famed American humorist almost by coincidence.

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

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

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

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