Limestone caves with spectacular showcase chambers.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

A secret fresh water spring for animals and humans alike hidden along the most famous road in the United States.

Don't blink or you'll miss it.

All of the 20 occupied houses in this mostly abandoned town feature some curious display of junk art.

This famous Nevada gold mine, once a hotbed of Wild West shenanigans, is now open for tours.

A small island less than half a mile from Venice is a forbidden island with a dark and twisted past.

Venice's "Island of the Mad."

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

Memorializing the bravery of one young woman facing the monster of her age.

A sanctuary for wolves in a community which once trembled in fear of the murderous "Beast of Gévaudan."

The oldest university museum west of the Mississippi retains its 19th century feel.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.