A giant sculpture of the legendary "Salmon of Knowledge" celebrates the return of fish to Belfast's River Lagan.

The skeleton of a whale that beached itself in this Irish town is now on display in their public park.

Imagine having a street run right through your home, or better yet, a historic bridge three stories high.

Avoid gangster interaction while window-shopping.

A bit of retro transportation flair preserved in the world's largest department store.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

For over 30 years the walls of this Harlem schoolyard have been a gallery of street art by "Kings and better."

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

Elevated freight railway turned wildly successful urban park.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

A 300-kilogram egg sculpture that embodied a neighborhood revival.

Legend has it that Napoleon Bonaparte fell in love with this Gothic church.

Travelers who fall victim to this mermaid's charms are destined to stay in Užupis forever.

This micro-nation may be some sort of prank, but its constitution sure seems official.

The Guardian of Tallinn.

This medieval Estonian tower provides access to a series of tunnels that have been home to soldiers, punks, and fine art.

Estonia's largest creative city is a vibrant bohemian hub located within a former industrial complex.

Spend your honeymoon where the Devil had his wedding.

An alien church provides much needed silence in the midst of a Finland shopping center.

This charming Latvian lane doubled as Baker Street on the Soviet Union’s version of Sherlock Holmes.

A stone marker and sculpture in the city of Riga stake a claim for the very first community Christmas tree.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

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