New York's oldest magic store.

A tiny microvalley etched into the side of Knocknarea Mountain hides another world.

Odd outsider art installations surround a Gold Rush-era ghost town.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

Continuing the tradition of the dime museum in style.

Stunning wetlands ablaze with pink lotus flowers.

Medical and zoological curiosities for sale.

Two stunning 17th-century libraries and a cabinet of curiosities.

A collection of haunted artifacts chronicles the career of the world's most famous paranormal investigators.

A museum devoted to bringing to light forgotten or neglected histories through exhibitions, education and public programming.

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

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

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

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

A 140-year-old castle with underground caves hidden in San Francisco.

Eighteen miniature death-scene dioramas.

Site of a former hidden treehouse in New Orleans.

Giant Redwood-themed cafeteria operates under the golden rule, "Dine Free Unless Delighted."

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

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

Macabre astrological automaton clock dating to the late 1400s.

An enormous, inside-out glass globe built in 1935.