A museum that cashes in on its infamous little people while teaching you a thing or two about the Irish fey.

Ancient Bronze Age rampart that was used into the middle ages.

Stroll through retro Paris while shopping for old postcards and discarded doll heads.

Down a cobblestone alleyway is a museum dedicated to Romanticism, with a secret garden.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

This museum in a Paris apartment gives a unique look at the iconic French singer's life.

A magical, macabre wax museum, beloved by locals, uses real artifacts to depict an assassination from the French Revolution.

An off-the-beaten-path boutique stuffed with an eclectic collection of upcycled goods.

A museum dedicated to linguistics, from how babies learn to talk to endangered and extinct languages.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

This quirky roadside attraction dives into the many theories surrounding North America's most infamous hairy cryptid.

A modern day curiosity cabinet.

This impressive collection of rare books on ancient mysticism inspired author Dan Brown.

A library of rare occult books in Los Angeles.

Perhaps the most unique of any Frank Gehry design for one simple reason: Gehry himself actually lives here.

One of the oldest medical collections in Europe focusing on rare surgical instruments.

The astonishing collection of an infamous criminologist.

An abandoned Roman salami factory has found new life as an art space home to 200 squatters.

David Sedaris called it "The greatest shop in the world."

This “living museum” at UCLA exhibits thousands of plant species from all over the world.

The Cycladic architecture makes this Athens neighborhood feel like an island paradise hidden in the shadow of the Acropolis.

This little-known, 35,000-specimen collection in Greece is a lepidopterist's dream.

A quirky bookstore hidden beneath a sea of whitewashed Greek villas.

A museum on the history of Paris, including a set of Napoleon's toiletries, Proust's room, and relics of the Revolution.