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

This modern antique shop is a museum for 1980's Saturday morning cartoon culture.

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

This sculpture gallery is home to magnificent beasts made of scrap metal and found objects.

A striking sculpture built to honor the women of the Lakota and Dakota Nations.

This monument remembers one of the manliest men of the frontier who fought a grizzly before dragging himself 200 miles to safety.

Yes, this monument is aware that it is about 20 miles away from the actual center of the United States.

One of the world's most definitive collections of musical instruments, spanning all cultures and historical periods.

The farthest you can be in the contiguous U.S. from a McDonald's location.

A roadside collection of over-sized iron creations that are a bit more macabre than most.

The giant stump of the once towering cottonwood where Ute people held tribal meetings.

The burial grounds of a secret society includes fences topped with fake Tesla balls.

Open-air cremations in Colorado's self-proclaimed spiritual mecca.

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

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.

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

The world's largest key collection features keys to the White House, Frankenstein's castle, and Hitler's bunker.

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

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

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

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

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."