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

A recreation of an Old West apothecary full of curios.

The huge collection of paintings of the American West is one of Denver's best-kept secrets.

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

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

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

One of the largest Buddhist stupas in North America is built of concrete designed to last 1,000 years.

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.

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

The wreckage of a World War II bomber is hidden high in the Colorado wilderness.

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

Community owned and operated, this property is home to a diverse set of nudists.

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

The scene of one of the darkest moments in American labor history has been left essentially untouched since the tragedy.

These decaying bridges 1,000 feet high are a reminder of the skill it took to cross the Colorado Rockies by rail.

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

A downtown park built on top of unclaimed graves.

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

The childhood home of Henry Jones Jr. is now an adventure-themed bed and breakfast.

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

The largest source of fossilized insects anywhere.

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

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