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

Unlike most arches, this geological oddity formed in a volcanic dike.

This once-popular otherworldly landscape was formed by one of the largest volcanic eruptions in history.

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

A research lab and hands-on museum where visitors can experiment with retro technology.

A futuristic hovertrain is parked unceremoniously alongside a nondescript road.

Climb to the top of this spiritual tower, and you'll be rewarded with spectacular views.

Possibly the world's only drive-in movie theater with an attached motel.

This interpretive path lets you get up close and personal with dinosaur bones.

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

In the middle of a suburban Denver neighborhood is a cave that once provided solace for a prominent Ute chief and his family.

An impressive collection of over 50,000 minerals including moon rock from the Apollo 17 mission.

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

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

A recreation of an Old West apothecary full of curios.

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

This museum offers an actual time machine back through Colorado's past.

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

A small horde of mythical creatures lurk almost imperceptibly within the museum's wildlife dioramas.

A collection of fading fantasy tchotchkes lines this dirt road in the Colorado wilderness.

The largest source of fossilized insects anywhere.

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

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

Gleaming self-built castle towers made from beer cans and inspired by "Vitamin Mary Jane."