A 142-foot-tall Q-tip on Bristol's skyline.

The unpredictability of this pendulum's movements has drawn visitors to this magnificent church for decades.

Banksy's image of a naked man dangling from the window of a sex health clinic.

A masterpiece of Art Deco architecture hidden in plain sight in West London.

This demon atop the Notre-Dame de Paris looks utterly bored.

A bench and a bridge pay tribute to Birmingham's favorite heavy metal band.

Be on the lookout for the symbolic insect all over the city.

Hidden on the urban banks of a Manchester river are a series of abandoned waterside industrial sites.

This statue dedicated to the story of a Flemish boy and his dog was relatively obscure in Belgium, but a cult sensation in Japan.

Rare wooden escalators lead deep down into an otherwise staggeringly monotonous tiled tunnel.

This legendary giant, born from vegetables, terrorized townspeople and cheated local children in games.

Hidden along this old street in Antwerp is a surreal monument of a bronze arm sprouting four hands.

A man throwing a giant severed hand towers over Antwerp’s main square.

The legendary giant's severed hand sits on Antwerp's popular shopping street.

An early 20th-century bullring converted into a modern shopping center.

This colorful statue welcomes visitors to a Barcelona park.

The largest bell in the world has been swinging high above a Cologne cathedral for almost a century.

A church filled with the bones of hundreds of virgins martyrs—or so they say.

If the tunes of antique organs and musical marionettes don't intoxicate you, the draft beer certainly will.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

Where once there was a train station bathroom, there is now this German burger joint.

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.