A plaque claims this artwork outside a children's hospital was used in the 1998 Quidditch World Cup.

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.

These mysterious Viking chess pieces spent centuries hidden on a remote Scottish island.

A traditional American farmhouse plopped in the middle of a Piccadilly courtyard.

The grand complex of buildings that comprise Liverpool's Exchange Flags includes a vast World War II bunker that has been frozen in time.

Standing atop Wellington Hill is the world's tallest three-sided obelisk.

One of the few remaining examples of 19th-century London’s attempt to clean up its reputation.

A wonderfully eclectic Victorian aquarium lies in the basement of the Horniman Museum.

A tiny replica of the iconic London landmark hides on the side of the steel structure.

A unique journey back in time to an early 20th-century fairground.

This whimsical public art installation is a unique homage to Liverpool's industrial heritage.

An array of ancient artifacts from Bronze Age Bristol and other civilizations are housed in this museum.

This ancient Egyptian obelisk still bears the wounds of World War I.

It houses a menagerie of wondrous taxidermy specimens from around the world, including the remains of a famous gorilla.

Much of what constituted mid-century Liverpool now litters a beach outside of town.

The bronze uniforms commemorate the vital role of women during World War II.

The plaques around this 19th-century structure recall some rather strange tales.

A historic, reportedly haunted pub that provided inspiration for several famous adventure novels.

The oldest residential street in Europe also features an optical illusion.

This astronomical clock is the second oldest in England.

How did this lovely seaside English village come by such an unusual name?

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

The sculpture is made of more than 100,000 knives collected to raise awareness about violence.