The site of the largest mass execution in Rhode Island history, haunted by the ghosts of hanged pirates.

An ode to Japanese artist Hokusai, with a bit of a comical twist.

Once the largest attraction in Rhode Island, this former amusement park is now a gorgeous coastal state park.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

A replica of the steam engine that hauled Queen Victoria's Royal Train is on display at Windsor.

The origin of these small islands' sweet names is a local mystery.

A gothic-styled structure that has been the location for several movies.

A work of art that pays homage to a Victorian timepiece in Providence.

This nearly 200-year-old restaurant's history includes an exiled French prince, JFK, and a very hungry Daniel Webster.

New England's "Witches of Eastwick" locations, in all of their quaint white churched glory.

A floating cat sanctuary on an Amsterdam canal.

Europe's first floating restaurant is home to a hilarious legend.

At just 51 feet and 10 inches long, it's the shortest street in England.

All unmarked mute swans on the Thames are owned by the Queen per a tradition that began in the 12th century.

The broken skateboards that became a poignant memorial to a murdered skater.

Carved initials which are nearly 500 years old preserve the deposed Queen's presence at Hampton Court Palace.

The world's largest grapevine has produced a delicious harvest at Hampton Court Palace for almost 250 years.

In 2013, historians discovered a hidden room devoted to the art of making royals' hot chocolate.

England's oldest surviving hedge maze has been confusing visitors for over 300 years.

An architectural oddity hides in plain sight on this iconic London bridge.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.