A recreation of an Old West apothecary full of curios.

The site where a nuclear bomb was lowered over 8,000 feet underground and detonated as an experiment in natural gas extraction.

A fake mine that was made using real mining techniques which is also used as a community center.

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

This iconic science fiction house still looks like something from the future.

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

The largest dinosaur trackway in North America is tucked away among this canyon's ghosts and archaeological gems.

Explore some of the most unique vehicles in history along with a cast of unsettling mannequins.

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

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

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

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

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

Silver in the hills led to the speedy creation of this boom town and a lack of it saw the town abandoned nearly as quickly.

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

The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.

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

Wall to wall taxidermy at Denver's oldest and most exotic steakhouse.

This Colorado hiking trail provides a small gold mine of abandoned gold mines.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

The clock that sets them all.

The largest source of fossilized insects anywhere.

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

Abandoned silver mine strewn with wrecked and twisted structures.