The final resting place of many of Germany's most famous communists.

This museum is dedicated solely to this millennia-old handheld cooling device.

This wooly sculpture supposedly marks the birthplace of a famous nursery rhyme, or not.

This supermarket is suspended 25 feet above an interstate highway.

Since 1947, this living history museum has been providing an immersive look at life in Plymouth Colony.

Berliners converted a bombed-out, disused lot into a community-run urban farm with its own cafe and bar.

This charming English house was once the home of England's most famous poet.

This hidden oasis features a stunning view of the Hudson River and the Palisades from a castle-like museum.

Cockatoo Island is a Heritage-listed island in the middle of Sydney Harbour.

This series of Baroque passageways in Vienna's cultural center mix old architecture with modern art.

Black cat statues guard this temple-like Egyptian revival factory.

The medieval woodcut-style artwork chronicles life in medieval London.

Revel in the Victorian splendor of the world's oldest eating establishment inside a museum.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the first ‘Harry Potter’ film.

Tiny memorials honor individual victims of the Holocaust.

Shiny Brutalist box commemorates a pioneer of electricity and houses a railway transformer.

A labyrinth hides in plain sight at each of the city's 270 Tube stations.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

This foreboding medieval castle was twice besieged by barons rebelling against the English king.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

A marine aquarium with an astounding variety of fish hides in the basement beneath the famous Palm House.

A wellspring of creativity in an already artsy East London neighborhood.

An unusual ode to the late Irish playwright, complete with a squiggly bust and coffin-shaped bench.