A magnificent mansion hides a delightful collection of historic timepieces.

Traveling collection of amazing automata.

A tongue-in-cheek arcade where the games are based on everyday life.

The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.

A kaleidoscopic warehouse-maze of handmade neon signs.

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

Budapest's Communist-era statues, banished to the suburbs.

This off-beat, quirky communism-themed bar isn't afraid to poke fun at its history.

Sitting beneath an unremarkable residential building is a museum devoted to classic Pinball.

Uh, pardon me, ma'am, but I couldn't help noticing that there's a Columbo statue in the middle of Budapest.

Ancient Egyptian wigs, South American feather headdresses, a bounty of anthropological artifacts in Oxford.

An Oxford museum where visitors can have tea with the Mad Hatter and climb through the wardrobe to a fantasy land.

Stripes of human ashes cover a back lawn in the most sought-after burial grounds in Paris.

An odd museum dedicated to French fakes.

A Parisian exterminator's shop whose storefront displays stuffed rats hanging from traps.

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

The curious underground history of keeping Paris clean.

The history of radiation is on safe display at the foot of a radiation science laboratory.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

A surrealist timepiece by the artist of melting clocks.

A mechanized clock where a man fights off a dragon, crab, and rooster.

Russian spa's bronze monument to enemas.

Moscow's most popular cemetery includes the graves of numerous cosmonauts.

A 250-year-old timepiece-automaton adorned with golden mechanical birds, which still sing to this day.