Giant animal sculptures are created with the rice straw leftover from the fall harvest each year.

An eccentric 18th century naval officer built a ship's quarterdeck on his roof, the inspiration for Mary Poppins's "Admiral Boom."

This sculpture is an instrument played by the swell of the seas.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

This picturesque archeological site looks like it was pulled straight from a fantasy novel.

Hidden in a grotto 26 feet below Nottingham's oldest hotel, this stylish subterranean drinking den is notoriously hard to find.

This magical museum celebrates the life and work of a seminal children's book writer (and occasional spy).

This short bridge is the only thing connecting a tiny Irish island to the mainland.

Fascinating town where normal life interfaces with the occult.

London's old-school healing garden.

A subterranean playground in an abandoned slate mine.

Museum about life, death, and cannibalism in the Stone Age.

The world's first underground farm is in a World War II bomb shelter beneath the streets of London.

A tongue-in-cheek arcade where the games are based on everyday life.

Northern Ireland's Brobdingnagian stepping stones.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

The world's first zoo for microbes collecting the horrible and wonderful things living on and around us.

A museum honoring Germany’s cucumber mecca offers a great dill of gherkin history.

A restaurant and observation deck built in a unique broadcasting antenna.

Puppet theater and museum holding a collection of more than 300.

A wunderkammer of mysterious objects and stories.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

One of the world's heaviest musical instruments towers within a popular urban park.