A whimsical sensor instrument for Minneapolitans to play on their walks to work.

Eat like a bird in a bamboo nest.

You can walk up Thailand’s naturally non-slip waterfall.

It's easy to forget what century it is as you wander this rustic homestead.

Toss a Frisbee through the ruins of this Colorado gold mining town.

This 19th century jail was mainly used to incarcerate the drunk and disorderly.

Unlike most arches, this geological oddity formed in a volcanic dike.

This interpretive path lets you get up close and personal with dinosaur bones.

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

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

A mental health hospital dating back more than 139 years, now features a museum.

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

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

A recreation of an Old West apothecary full of curios.

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

Colorado's only true geyser is hidden within the San Juan National Forest.

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

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.

When zealous marijuana enthusiasts kept stealing the "Mile 420" highway marker, the State of Colorado got creative.

Community owned and operated, this property is home to a diverse set of nudists.

The scene of one of the darkest moments in American labor history has been left essentially untouched since the tragedy.

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

At the tallest peak in Colorado, an electrifying mix of thin air, lightning, and rivalry.