A legal loophole makes it possible to get away with murder within this 50-square-mile section of Yellowstone.

This constitutionally sound Muffler Man harkens back to the days these attractions were a must-see.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

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

Neal Cassady may still have an open tab at one of Denver's oldest watering holes.

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.

This mining town boomed in the Atomic Age when uranium was gold, only to be abandoned when the industry collapsed.

An architect's childhood fantasy treehouse made real.

Native Americans built this circle of stones, which was used to predict astronomical events.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

The first declared National Monument in the United States.

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

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

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

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

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

An annual festival celebrating Colorado's most famous frozen corpse.

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

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

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

The childhood home of Henry Jones Jr. is now an adventure-themed bed and breakfast.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

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