This mining town boomed in the Atomic Age when uranium was gold, only to be abandoned when the industry collapsed.

Dance on a hand-hewn log floor padded with bouncy boxcar springs at a saloon built in 1883.

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

A collection of fading fantasy tchotchkes lines this dirt road in the Colorado wilderness.

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

Once an unstoppable source of gold and silver, this town came to a grinding stop when the groundwater proved deadly.

This old train trestle and collapsed tunnel once allowed the railroad to negotiate the steep slopes of the Colorado Rockies.

These decaying bridges 1,000 feet high are a reminder of the skill it took to cross the Colorado Rockies by rail.

This deserted Gold Rush town is home to a Masonic lodge that, strangely enough, still holds meetings.

This museum offers an actual time machine back through Colorado's past.

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.

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

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

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

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

Travel through the wholesome amusements of yesteryear at this charming miniature village.

"All Mountains - All The Time."

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

This restored farmhouse is a time capsule of a 19th-century Colorado homestead.

Curios, scientific antiques, oddities for sale.

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

A technicolor place of worship for Elevationists.

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