Finland's oldest astronomical observatory once played a crucial role in seafaring and timekeeping.

The tiny, studious rodents greet visitors to the National Archives of Finland.

A small island dotted with old, historic Finnish buildings.

An abstract monument to a symphonic composer.

This irregularly shaped sea fortress has defended not one but three different sovereign states.

Trick water gardens from 1619 featuring a 200 piece mechanical theater powered by water.

The only Edo-period ferry that is still in operation in Tokyo today.

A few hidden stones are said to bring fortune and love.

A 17th-century Shinto shrine that is home to statues of Mickey Mouse and Pikachu.

Stuck in a bygone era, the oldest subterranean shopping street in Japan hides beneath the popular Asakusa district of Tokyo.

A bibliophile's heaven that contains hundreds of bookstores, offering over a third of secondhand books for sale in Tokyo.

Tokyo’s only Ainu restaurant serves Indigenous food from northern Japan.

If Hello Kitty were Mickey Mouse, this would be Disneyland.

Strange rumors surround the artist who created these solemn metal guard dogs.

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

In between two buildings in Ljubljana, medieval tunnel to nowhere.

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.

On La Gomera, "Silbadors" communicate in a 4,000-word language of whistles.

A fake medieval village in the middle of Turin.

These gutted monastery ruins still stand proudly in the middle of the Italian countryside.

A Milanese café entirely designed by the American director Wes Anderson.

This enchanting 600-year-old tree is so magical it inspired the beloved tale of Pinocchio.

These pillars at the main entrance of this church are actually a hidden musical instrument.

Those who own or stay at this 500-year-old, allegedly cursed house often meet terrible fates.