Funhouse of found art and participatory sculpture.

This large midwestern cavern features impressive rock formations and an underground waterfall.

A lonely house representing railroad history tells the stories of those who rode the rails.

One man's quest to save his town with a trail of record-breaking sculptures.

The remnants of an early American attempt at missile defense.

Known as "The Hill of the Little Devils."

Thanks to a loophole in property ownership, this alleyway has become a cacophonous street gallery.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

A place where the laws of nature seem to have gone completely berserk... but of course haven't.

A roadside collection of over-sized iron creations that are a bit more macabre than most.

A waterfall 600 ft. inside a mountain, once the bane of gold miners, is now a spectacle of nature.

Three generations of intrepid collectors display their curious artifacts in a homemade museum right next to the caves they discovered.

Beating out all other concrete competitors, this massive garden feature's pointy hat has earned it a world record.

An old town theater converted into a celebration of the hobo legacy.

A place of great reverence for Trekkies everywhere, a hero's future birthplace.

This raised bulls-eye visible from space was the subject of an intense geologic controversy.

Largest man-made excavation on earth!

The largest island on the great salt lake is home to curious creatures and strange stories.

Largest collection of mounted dinosaur specimens in the world.

A sculpture for the sun and stars, created by Nancy Holt.

Sandstone rock formations that look like they belong on the cover of a progressive rock album.

A house carved into a rock in the 1940s.

An earthwork sculpture built by Robert Smithson in the Great Salt Lake only reemerges during drought.

This geothermal hot spring hides beneath a slowly growing mineral dome.