Curios, scientific antiques, oddities for sale.

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

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

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

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.

The clock that sets them all.

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

Victorian "Fancy Craft" Hair Wreaths and Relics.

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.

Hidden beyond a kitschy giant beetle is this remarkably sprawling collection of preserved insects.

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

The superstar of Cold War nuclear bunkers has been featured in countless films but is now barely operational.

This grand stone tower was dedicated to a famed American humorist almost by coincidence.

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

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

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

A lively annual event in which thousands of people race to push coffins heavy with bodies up a hill.

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

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

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

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

"All Mountains - All The Time."