A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

Northern Ireland's Brobdingnagian stepping stones.

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

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

London's old-school healing garden.

A toy store with a century-long history preserves the craftsmanship of playthings of the past.

A cluttered and astounding collection of antiquities and curiosities.

A historic London pub with prison cells in the cellar and a "spy room" on the second floor.

A historic house left in "dramatic still life."

Eighty million natural history specimens call this gargantuan museum home.

Hear the quietest sound from across the dome.

The curios of pharmacist and collector Henry Wellcome.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

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.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

A museum devoted to the science of color.

Haunted tuberculosis hospital built by the patients.

The two massive guns that defended Cartagena Bay.

A museum dedicated to the German scientist who revealed the significance of the mysterious Peruvian Nazca Lines.

From Coke II to Google Glass, this exhibit features some of the most spectacular commercial flops.

Swedish mice can dine at the Nuts of Life restaurant or take a date to the amousement park.

A museum of the dime museum that features weird entertainments of yesteryear, from feejee mermaids to flea circuses.

CDMX's home for the world's culinary delights.