This early Norman castle was the first historical monument protected by an act of Parliament.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

A shrine-like museum entirely dedicated to soccer superstar Cristiano Ronaldo.

A micronation on an islet along the coast of a Portuguese island.

Men in rubber-soled boots serve as your "brakes" on this toboggan ride Hemingway described as "exhilarating."

A lush oasis full of vibrant plants and striking geometric displays.

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

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

An incarceration museum on the spot of possibly the oldest prison in England.

Eighty million natural history specimens call this gargantuan museum home.

One part local history, 99 parts gruesome haunted house.

A hands-off space for graffiti artists to hone and display their skills.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

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

The incredible private taxidermy collection of an eccentric zoologist.

A giant roundabout made up of six smaller roundabouts can befuddle the uninitiated.

This unusual geoglyph was built as a warning so low-flying aircraft wouldn't scare the zoo animals.