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

A coal fire has been burning underground here since 1896.

Over 1.3 million confiscated wildlife products fill this macabre menagerie of illegal animal specimens.

Antique automobiles, phonographs, organs, and farm equipment.

According to local legend, a tree grew from the stake that killed this alleged vampire. In reality, he probably died from influenza.

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

This now-abandoned outcrop is an important Native American spiritual site, overtaken by European settlers and mining pollution.

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

This sidewalk tribute honors Colorado's great culinary creation.

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

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

This gallery is home to everything from antiques, to ancient tribal masks.

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

A seven-story 1920s mausoleum outside Denver houses thousands of remains.

Final resting place of a 19th century gold prospector and convicted cannibal.

A stark reminder of the huge nuclear weapons plant that once stood on the site and its effect on the surrounding area.

Rather than a run-of-the-mill franchise hotel, this lodging has been decked out in dinosaur decor.

A memorial dedicated to the victims of the Columbine High School shootings.

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

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

A prehistoric rock shelter that's literally in someone's backyard.

Inspired by a music box, a small town Vietnam vet carved an entire carousel full of animals by hand.

This massive home was constructed by one of the greatest conservationists in Colorado history.

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