This cave holds a surprisingly colorful variety of geological oddities.

"World's largest scrap metal sculpture" stands in an outdoor sculpture garden in the middle of Wisconsin.

These molds for fiberglass statues have formed an eerie, accidental sculpture park.

Robots, lasers, and whoopee cushions, oh my!

A bizarre house filled with an astounding array of collections.

This was once the home of Gahan's Saloon, Denver's most storied speakeasy.

This Chinese-style quartz sundial was saved in its final hour.

There are eight natural springs around town, each with a slightly different taste.

This otherwise unremarkable ski town building marks the site of Butch Cassidy's first robbery.

The oldest operating cemetery in Denver is the eternal home of some of the Centennial State's most famous residents.

A collection of over 15,000 zines works to preserve DIY publishing culture.

Antique automobiles, phonographs, organs, and farm equipment.

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

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

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

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

The huge collection of paintings of the American West is one of Denver's best-kept secrets.

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.

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

This razorback ridgeline has doubled as a scenic drive since the early 1900s.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

A downtown park built on top of unclaimed graves.

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.