This arid landscape was once a lush wetland. Today, it's a paleontological site filled with fossilized mammoths, sabertooth cats, and more.

A piece of the iconic wall found an unlikely new home in a Vegas bathroom.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

Walk through the actual strap iron cells and solitary chambers of Arizona Territory’s first prison.

Mutant vegetables, transgenic mosquitos, and atomic rodents span the walls of this one-of-a-kind museum.

This Wild West attraction is alive with glitching automatons.

Ghost town with a beer-drinking goat for mayor.

An experimental, automotive replica of Stonehenge.

A museum dedicated to exhibiting remarkable outsider art.

This incredible collection of vintage pinball machines can be played at 25 cents a pop.

A mysterious monument meant to be a guide into "an Age of Reason" was destroyed after an apparent bombing.