A century-old tradition has culminated in a small but singular collection of feline effigies.

Locals call it the "Give Peas a Chance" bridge because of its distinct graffiti.

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.

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

Both church and state get put to the torch in this annual festival in the "Bonfire Capital of the World."

One of the few standing Roman lighthouses and a labyrinth of tunnels are a couple of the secrets at this historic castle.

The largest offshore wind farm in the world would be even bigger if it weren't for some pesky birds.

An ancient Roman temple first dedicated to an emperor's wife is now a church.

A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.

One of several Lilliputian portals that are ready to transport passengers to other dimensions, if they can find them.

Local legend says Isaac Newton built this footbridge without any screws, bolts, or nails.

Numberless clock creates a meal of time for the dreaded, insectile Chronophage.

The Cambridge pub where Francis Crick announced that he and James Watson had discovered the DNA double-helix.

This 12th-century house is one of the oldest continuously inhabited houses in Britain.

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

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

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

The site of London’s first coffee house has been serving refreshments of one kind or another for 360 years.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

A spherical "micro-nation" in the heart of Vienna.

An exquisite Baroque church in Vienna's old town.

The final resting place for the remains of 143 Habsburg royalty.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.