The largest clown school in Britain offering accredited degrees.

A 1950s beatnik coffee house, turned 60s counterculture hotspot, turned modern music venue.

This London marker celebrates the spot where the world-famous English band was founded.

Two plaques commemorate the site of Shakespeare's first theatre.

A network of concealed passageways lies within a busy London Underground station.

London's smallest police station is barely the size of a phone booth.

Wedged between two buildings at the Great Ormond Street Hospital is this secret music installation.

A little slice of Japan and its aesthetics in London's Holland Park.

One part local history, 99 parts gruesome haunted house.

The quaint little store that is said to have inspired a famous Dickens novel was only given its name after the book was released.

This collection of illusory paraphernalia has been culled from the history of London's premier magician's club.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

Portugal’s highest lighthouse has one of the most impressive focal planes in the world.

The medieval town's star-shaped walls are geometrically dazzling, though not entirely impenetrable.

Europe's oldest still-operational tea farm also boasts a spectacular view.

A micronation on an islet along the coast of a Portuguese island.

One of the world’s longest pedestrian suspension bridges.

A lush oasis full of vibrant plants and striking geometric displays.

One man's remarkable private collection of art from around the world.

A windswept necropolis carved into the rocks overlooks the "most Portuguese town in Portugal."

Men in rubber-soled boots serve as your "brakes" on this toboggan ride Hemingway described as "exhilarating."

A cluster of granite granaries perched on stilts.

A majestic hotel for dreamers rises from the center of a fairytale wood.

This star-shaped military outpost is now simply trying to protect itself from neglect.