An Orwellian sculpture with eyeball cameras watches passersby.

This walkway is so narrow it needs its own light to stop pedestrian traffic jams.

A mocking tribute to the past and modern leadership of Prague.

This automated sculpture of two men peeing will spell out text messages with their micturition.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

An eerie, existential museum dedicated to the author of "The Metamorphosis."

This doorless 20th-century elevator doesn't stop or slow down.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

A steampunk-styled three-floor factory churning out art, activism, and electronic beats.

A church of bones, decorated with 40,000 human skeletons.

Macabre astrological automaton clock dating to the late 1400s.

Countless grotesque faces stare out from this eerie Prague art wall.

A Jenga-style cylindrical tower of books that appears to go on forever.

Two stunning 17th-century libraries and a cabinet of curiosities.

This Scottish burial tomb once held hundreds of ancient eagle bones.

The largest Victorian water tower in Britain.

This building's name and a plaque are all that's left of what was probably the most important nightclub of the Madchester music scene.

This massive metal scallop is a tribute to an English composer who once walked across this beach.

One of Manchester’s museums has gathered and preserved British political paraphernalia covering over 200 years.

The Guinness Record holder as the "tallest cinema in the world" is a building with screens in almost every one of its 12 floors

A series of stained glass artworks that depict images of the hit TV show.

This memorial depicts the unlikely team that won England the Sir Thomas Lipton Trophy.

This remarkable building has a lot to offer, even if you're not placing a bid.