When ecosystems collide in the arid Southwest.

A futuristic hovertrain is parked unceremoniously alongside a nondescript road.

A fake mine that was made using real mining techniques which is also used as a community center.

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

The world's largest carnivore sanctuary is home to over 450 meat-eating rescues.

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

A little-known hot spring haven right below the highway.

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

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

The largest source of fossilized insects anywhere.

An annual festival celebrating Colorado's most famous frozen corpse.

One woman's UFO-themed campground, complete with self-built energy vortexes, UFO-themed weddings, and magic bushes.

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

This "zoo" is a cross between a junkyard and a sculpture garden, featuring animals you won't see anywhere else.

Despite its lavish ornamentation, and wholesome lifestyle of its devotees, this mountain commune has faced its share of issues.

America's post-nuclear-attack chambers of Congress.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.