You can enjoy a (possibly haunted) stay at the medieval Norman castle that was once a favorite hunting lodge of King John.

This mesmerizingly colorful pond looks like a scene straight out of a fairytale.

A massive cave complex boasts some of the clearest water (and most charming bats) in the world.

Nine Gardens in one—with tea service.

Japanese island famous for poison gas and fluffy bunnies.

A 70-foot-deep ice cave formed by lava from Mt. Fuji on the edge of Japan's "Suicide Forest." 

Hanging over one of Japan's "hidden valleys," these vine bridges must be remade every three years.

Bioluminescent firefly squid light up this Japanese fishing port.

Every autumn, this hillside is ablaze with red summer cypress.

Hot springs monkey spa in the middle of Hell's Valley.

A beautiful, dense forest in the shadow of Mount Fuji, with a tragic reputation.

On Japan's Tashirojima Island, cats are king.

An exquisite tunnel of cascading flowers.

Come for the waffles, stay for more waffles.

This medieval cathedral houses stained-glass windows featuring saints and pretzels.

Though its celestial ceiling is impressive, the true star is the vast collection of French books.

Time travel with sweets across history at this research-based candy store.

A 14th century castle built on the seat of a mighty giant.

Finally, you don't have to be a pious Swedish seaman to relax like one.

This 21st century cabinet of curiosities includes dinosaur bones, moon rocks, film memorabilia, and more.

This vast, pristine wilderness is home to a rare subspecies of black bear.

One of the world's oldest trees comes with a Welsh legend intertwining it with a spirit prophesying death.

The world's largest prehistoric copper mine had 30,000 animal bones scattered throughout the maze of passageways.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.