A tiny, heartwarming piece of art hiding in plain sight.

A Victorian Gothic masterpiece housing a world-class collection of rare books and manuscripts.

This sculpture commemorates a naturalist and an illustrator whose work was a forerunner to modern field guides.

A famous pilgrimage site that remains hidden in the midst of a city.

Semaphore saints, a golden dragon's head, and a stone carved with religious warnings all call this cathedral home.

A Reformation-era fiery figurehead once denoted this location as a print shop.

This disused Cold War bunker has been restored to all of its early 60s glory.

Locals affectionately dubbed this World War I memorial "Tommy."

A vortex fountain that seems to rise out of the ground.

A museum pays tribute to the glass-making industry of Sunderland.

A museum and gardens with unusual plants and a history of progressive programming for the blind.

Hidden beneath a beautiful overlook you’ll find the history of the city depicted in comic strip format next to a pay toilet.

A garden in Lisbon filled with giant porcelain creatures.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

Gardens representing parts of Asia, Europe, and the Mid East are tucked away among the Soviet-style buildings in East Berlin.

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

Ring the bell to enter a bar that looks equal parts museum and old curiosity shop.

This tribute to Sunderland's mining past stands outside the home of its football club.

An abandoned NSA listening post on Berlin's "Devil's Mountain."

This gorgeous space is England's largest independent library outside of London.

A million and a half tons of earth were used to create one of the world's largest land sculptures.