Behind one of the world's most impenetrable vaults is a massive collection of retail silver.

The monster at the center of the Darwin Center Spirit Collection.

A historic London cemetery now serves as a nature park incorporating gravestones & memorial statues.

One of the world's largest collections of pathological specimens.

A mysterious artist-run cabinet of curiosities and library.

A network of concealed passageways lies within a busy London Underground station.

The final resting place to 300 Victorian-era pets hides inside the city park.

This 1920s Dutch barge is now a floating bookstore.

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

Banksy gives themself artistic license with this piece of London street art.

Eighty million natural history specimens call this gargantuan museum home.

A Victorian natural history and ethnographic museum with wonderful turn-of-the-century, science-book-esque evolution displays.

This wildly-tiled artist's palace is a living and growing account of the creator's life, loves, and labors.

A special shop catering to the needs of things that go bump in the night, and also helps kids become writers.

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

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

Italian horror legend Dario Argento’s own shop hides a sinister museum-dungeon in the basement.

This bizarre residential building is the masterpiece of Von Jour Caux, the “Gaudí of Japan.”

A varied collection of brains in alcohol.

A fantastical bed and breakfast with magically unique rooms.

Medical museum that houses most notably the taxidermied remains of Vladimir Demikhov's famous two-headed dog experiment.

A former Latvian headquarters of the brutal KGB secret police is now open as a grim reminder of their atrocities.

Tucked away in a small German apartment is an eclectic museum devoted to West African vodun culture.

This roadside shrine to an unofficial saint has welcomed the wishes and prayers of local believers for generations.