On Japan's Tashirojima Island, cats are king.

A magical place that lets you play in and explore the world of Studio Ghibli.

France's national museum of scientific and industrial instruments.

This museum houses an imposing skeleton army comprised of creatures great and small.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

A statue that would be at home in Rome can instead be found in the heart of Norway's oldest city.

This one-room museum is dedicated to Norwegian history and jokes.

Tens of thousands of tiny bottles stuffed with various items.

The world's largest underwater restaurant is submerged off the southern tip of Norway.

The burning of this 12th-century church kicked off a campaign of Norwegian Black Metal terror.

Home to three historic ships from the age of Vikings.

Walk 2,300 feet above the ground on the "Troll's Tongue."

Cabaret where the show girls are all androids, and the patrons couldn't be more pleased.

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

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

Abstract dinosaur models in London.

A subterranean playground in an abandoned slate mine.

A collection of comics, graphic novels, animation and caricatures devoted to exploring this often overlooked art form.

400-year-old garden, restored to beauty.

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

Tiny effigies of the victims of Edinburgh's famous Anatomy Murders.

This wildly-tiled artist's palace is a living and growing account of the creator's life, loves, and labors.

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