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

This is Britain's one and only clock concealed in the pavement.

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

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

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

A park where people have been going to feed friendly pigeons since the 18th century

In West Virginia, you can walk across the longest single-arch bridge in the Western Hemisphere.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

Rare recess caves fill this unbelievably beautiful Ohio park.

These rows of World War II-era bunkers were the scene of some of the infamous Mothman sightings.

The failure of one component toppled this entire bridge during rush hour.