This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

Medical and zoological curiosities for sale.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

Try not to get slimed in Tribeca.

Continuing the tradition of the dime museum in style.

The world's only museum devoted to the wonders of fluorescence.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

An island filled with hundreds of hanging, decomposing, decapitated dolls.

Staves, storm-calling, and of course, necropants.

A one-of-a-kind collection of a unique medium.

A 16th-century horror show built in a lovely Italian garden.

World's largest collection of serial killer artwork and other macabre exhibits.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

A man's home is his castle.

A stockpile of childhood lunch pails turned collectibles.

This legendary "evil" doll has been haunting the citizens of Key West for over 100 years.

A self-explanatory attraction allows fans to respectfully remember and honor a comedy legend.

The scuba diving training facility was named for the steam that rises from the cave's chimney.

This home is decked out like a psychedelic explosion of colors and bowling balls.

The snowbirds here are circus sideshow performers.