This five-star hotel was originally a swanky parking garage.

This iconic high-rise residential block was one of the last to be built in the Brutalist style.

This once-controversial and slightly confusing statue of Achilles was built out of captured cannons.

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

A roadside shrine to a late rock god only remains thanks to the unyielding efforts of his fans.

The commemorative stone column conceals a secret laboratory.

Two plaques commemorate the site of Shakespeare's first theatre.

This museum tucked below a charming cafe gives a brief snapshot of photographic history.

This London plaque marks the spot where David Bowie's famous alien made his debut.

A little slice of Japan and its aesthetics in London's Holland Park.

A hands-off space for graffiti artists to hone and display their skills.

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

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

A kaleidoscopic warehouse-maze of handmade neon signs.

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

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

Blitzkrieg bop your way through Berlin's Ramones Museum.

After local authorities changed the design, the building's architect, Le Corbusier, wanted nothing to do with it.

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

For patriotic Russians, this memorial honoring the Soviet soldiers who died liberating Berlin in 1945 is the most sacred location outside of Russia.

You've probably seen these distinctive orange-tiled columns on the big screen.

This monumental work of art symbolizes the coming together of a previously divided city.

A memorial in the Tiergarten is a reminder of the suffering inflicted on homosexuals by the Nazi regime.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.