Neon signs that grace the windows of Bergdorf Goodman's and Tiffany & Co. come from this studio in Brooklyn.

360-degree virtual reality chamber physically immerses scientists into their data.

The strange phenomenon causing gravity to "work backwards" on this hill has been blamed on the paranormal.

The exact whereabouts of this surreal cabinet of curiosities are rarely the same place twice.

It specializes in outsider art and artifacts of secret societies.

The remote outlaw hideout of Jesse James, Butch Cassidy, and the Sundance Kid.

A cavernous three-story, 43,800-square-foot basement that was forgotten about for 60 years.

What is the Thing?

A humid oasis combines recreation with exploration in a unique underwater cavern.

The highest point in Washington state is a volcano covered in glaciers.

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

This might just be the TARDIS of bookstores.

Nondescript elevator doors open to reveal a stunning, surreal world.

A half-mile long and three stories high, this bridge over the Des Moines River Valley mimics a descent into a mine shaft.

Mysterious glowing orbs float through the desert night.

A 90-year-old underground water reservoir offers a more industrial kind of tranquility.

Leaf through over 30,000 artists' sketchbooks in what may be the world's largest collection of doodles

An optical illusion found amid a logged redwood forest.

The thousands of shades on display — some toxic, others impossibly rare — are a library of more than just color.

The highest dunes in California are the most likely place in the area to hear the Singing Sands.

This road in the Great Smoky Mountains was supposed to assuage a displaced community, but ended up a $52 million dead end.

This permanent exhibition celebrates the finest of our heartless automatons both real and fictional.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

Imagine playing a version of Legends of the Hidden Temple, but with a distinctly Southern Gothic flare.