This bridge's unique architecture honors nautical heritage and encourages self-awareness.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Copenhagen's celebrated theme park and gardens.

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

An oasis of calm amid the chaos of the boardwalk, the museum traces the heritage of this beloved beachside amusement park.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

A popular European tradition makes its way to the states on one of America's most famous bridges.

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

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

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

Cliffside houses provide a spectacular view from their perch above the valley.

Walls of stone rise up from sinkholes caused by underwater erosion.

Among the oldest structures in Madrid, these Moorish walls once guarded the medieval city of Mayrit.

This historic fountain is a favorite neighborhood meeting point.

This funky former tobacco factory is one of the most striking examples of Madrid's cultural diversity.

A favorite with sightseers, this Norwegian funicular provides easy access to a stunning view of Bergen and its environs.

Longest road tunnel in the world features an air treatment plant and the illusion of daylight.

What happens here stays here – unless it affects the whole world.

The most confusing clock in New York.

This outdoor gallery of graffiti-covered walls pays homage to the past, present, and possible future of street art.

An annual extravaganza of Broadway theater memorabilia.

You can still ride this 100-year-old work of art in Brooklyn's largest public park.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.