If you look closely at the oldest bridge in Paris, you might notice hundreds of ugly faces leering from its sides.

Notorious artist squat renovated into legal studios.

A favorite Paris bar for U.S. expats, including Gershwin, Hemingway, and James Bond.

This museum housed in a former brothel explores the past and present of sex work in Amsterdam.

The history and future of cannabis.

An architecturally unique lighthouse that had to be lifted up and moved to avoid falling in the sea.

Life-size bronzes of the Grinch, Cat in the Hat, Yertle the Turtle, Sam-I-Am, and the Lorax—and the author himself.

The ruins of an abandoned 18th-century town that is slowly being reclaimed by the forest.

Public outcry led to this bridge's unique character which celebrates a giant frog battle and also sewing.

This mysterious artificial cave has long puzzled New Englanders.

This unassuming tree stump reportedly traces its roots to the famous pharaoh queen's reign.

Former villa and estate of James Deering developed to preserve native tropical forests.

St Bernard de Clairvaux Episcopal Church, better known as one of the oldest European buildings in the Western Hemisphere.

A castle built for love, and abandoned due to heartbreak.

Long the exclusive domain of birds and vagabonds, this little-known Central Park peninsula is open to the public once more.

The lesser-known Alice sculpture of Central Park dedicated to the “godmother of American children.”

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

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

A lone tower rises above the cliffs in a city park, offering fantastic views of the Connecticut landscape.

Amazing views of Long Island Sound can be seen from this mountaintop tower.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

Yo, Adrian!

A historic covered bridge, only one of two remaining in North Carolina.

A Nessie-like monster supposedly lurks in this lake.