This ancient Irish tower could easily have stood in for Rapunzel's prison.

These imposing walls and towers look more like the ruins of a fortress than a monastery.

This ancient Irish religious site is covered in ancient carvings, many of which have barely aged.

Just another ancient, mysterious Irish stone circle.

This statue celebrating everyday life in Dublin has a few unsavory nicknames.

A devastating booze inferno poured through the streets, claiming several victims who drank it.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

A giant gorilla made of used car tires used to sit sentinel over a Helsinki college campus.

This endearingly discomfited urinating statue commemorates the sneaky pees had by us all.

The first official clock in North America, it kept time for the Spanish government of Santo Domingo.

The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.

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

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

Macabre astrological automaton clock dating to the late 1400s.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

The only museum with its curator—and her pets—buried inside.

Where Venice's gondolas go for a tune-up.

Thousand-year-old Viking runes adorn an ancient Greek lion at the entrance to the Venetian Arsenal.

Two stone columns flank the grand Venice square, but there were supposed to be three.

Hanging within this medieval church are the bones of a beast allegedly slain by a fourth-century saint.

100 year tradition of fist fights, marked by marble footsteps.

Go inside to really appreciate this 500-year-old technological masterpiece.

This community on a small Venetian island has taken to painting their houses in bright neon hues.