A recreation of an Old West apothecary full of curios.

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

Even in death, he's still your huckleberry.

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

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

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

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

A downtown park built on top of unclaimed graves.

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

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

The largest source of fossilized insects anywhere.

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

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.

A small horde of mythical creatures lurk almost imperceptibly within the museum's wildlife dioramas.

While comics are the main attraction at this megastore, the second floor plays host to an exhibit fit for a museum.

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

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.

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

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

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

Abandoned silver mine strewn with wrecked and twisted structures.

A little-known hot spring haven right below the highway.

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

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