This little blue house pokes out over the campus of UC San Diego, seven stories high.

An inconspicuous footbridge beloved by San Diego locals.

A wall of chewing gum moonlights as collective art.

A couple turned their front yard into an artistic masterpiece.

This courtly monument celebrates an influential comedian who turned taking the piss out of the powers-that-be into an art.

A particularly disconcerting tribute to Irish martyrs.

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

The final resting place of one of the most sensational guitar players of all time was created only after his father got the rights to his music.

From a neon Rapunzel to a bike traffic meter to a street fair color scheme, the most opened drawbridge in the US is a veritable art gallery.

Residents of Fremont in Seattle have considered it the center of the universe since the 1970s.

Leave a button on the jacket of this iconic Seattle clown.

A nondescript Seattle restaurant inherited a piece of European history.

A walk through the historic city center, under the streets of Seattle.

A giant Troll lurks under one of Seattle's oldest bridges.

A surreal statue honoring Prague's favorite literary son.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

A piece of outsider public art accompanied by a strange urban legend.

Baroque celebration of the end of the Great Plague of Vienna.

The remaining relics of the patroness of Paris lie in a chapel under a striking double spiral staircase.

This 600-year-old home seems to defy physics.

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

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

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

Macabre astrological automaton clock dating to the late 1400s.