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

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

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

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

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

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

The largest source of fossilized insects anywhere.

This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

Where scientists keep miles of very valuable ice from Antarctica and Greenland from melting.

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

Wall to wall taxidermy at Denver's oldest and most exotic steakhouse.

One of the greatest heroes of the Titanic tragedy came from humble beginnings to this beautiful home.

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

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

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

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

When ecosystems collide in the arid Southwest.

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

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

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

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.

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

The largest self-built castle in the U.S., six decades in the making.