The fifth-longest natural arch in the world, and the longest outside China.

Jurassic Park—A Still Life.

A house carved into a rock in the 1940s.

This unusually circular centenarian barn became a Route 66 icon.

The future of roadside attractions is this sci-fi soda mecca that is home to a 66-foot tall neon pop bottle.

This lagomorph-obsessed Route 66 emporium is home to a giant jackrabbit that sits in a bunny graveyard.

Oversized statues are just the tip of this nostalgic Americana roadside attraction.

Macabre astrological automaton clock dating to the late 1400s.

Teeming with illegal goods and services, this towering maze of vice is also a popular tourist accommodation.

A treasure trove of pathological, forensic, parasitological, and anatomical specimens.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A wealth of pop culture statuary and green chile dishes give this roadside restaurant clout.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.

These aggressively sustainable art homes look like something out of 1970's science fiction.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

A museum dedicated to the alleged Roswell Incident.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

A 35-foot-tall fork stuck in the ground outside an office building in Missouri.

The show pony of cave systems, Fantastic Caverns manages to live up to its name.

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

A seven-story 1920s mausoleum outside Denver houses thousands of remains.

The burial grounds of a secret society includes fences topped with fake Tesla balls.