An impressive collection of over 50,000 minerals including moon rock from the Apollo 17 mission.

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

This nearly abandoned town was once a thriving mining community until a series of fires.

This volcano rises like a giant anthill from the plains below, with a road spiraling up to the rim.

Although now a decaying ruin, this stone cabin's history includes several notable figures.

The final resting place of the businessman-turned-astronomer who helped discover Pluto stands near his observatory.

A planet-hunting astrograph built in the 1920s to seek out the so-called "Planet X" beyond Uranus.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

Ancient pueblos built into the base of a natural canyon wall.

A reproduction of earth's many biomes.

America's only nuclear missile silo open to the public.

The outcropping is graffitied with the name of the beloved musical Muppet television series.

The state bird of New Mexico, constructed entirely out of garbage.

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

High in the Sacramento Mountains, a facility dedicated to studying the sun.

A wacky, UFO-shaped house in a suburban neighborhood.

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 little slice of old Jerusalem in Oklahoma is the evolution of a 90 year old passion play.

A peculiar forest that was handcrafted for government experiments.