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

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

All that remains of this once-booming mining town are the ruins of a saloon.

The site of the "Bone Wars" between two rival paleontologists during the dinosaur rush of the 19th century.

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.

This grand stone tower was dedicated to a famed American humorist almost by coincidence.

In the early 1900s, hundreds of Black Americans found opportunity in this now-abandoned rural community.

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

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

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

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

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

This "zoo" is a cross between a junkyard and a sculpture garden, featuring animals you won't see anywhere else.

The remnants of the base where US Army troops learned how to fight in extreme conditions.

The largest source of fossilized insects anywhere.

At one time this small mining village was the highest town in America but now it sits abandoned while the mine churns on.

This 19th-century ranch is being transformed into a residential library with thousands of books about the natural world.

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

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

Paleoamericans built these ancient walls high in the Colorado Rockies as part of an extensive hunting system.

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

Inspired by a music box, a small town Vietnam vet carved an entire carousel full of animals by hand.

Antique automobiles, phonographs, organs, and farm equipment.

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