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

A futuristic hovertrain is parked unceremoniously alongside a nondescript road.

A mental health hospital dating back more than 139 years, now features a museum.

Check out a hidden collection of vintage neon signs.

The clock that sets them all.

See 150 million-year-old dinosaur tracks and bones dating back to the Jurassic period.

The largest source of fossilized insects anywhere.

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

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

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

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

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

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

Victorian "Fancy Craft" Hair Wreaths and Relics.

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

One of Frank Lloyd Wright's final works was this UFO church.

A curious sculpture garden and museum in Cochrane, Wisconsin.

This holy goods emporium is where priests go for a little retail therapy to outfit their churches.

The building was originally a gas station built to resemble a Japanese tea house.

A bedazzled house and crown "jewel" of outsider artist Loy Allen Bowlin.

Five acres of divinely inspired folk art.

This striking art museum holds an amazing series of curiosity cabinets.