Stone markers on the campus of Gallaudet University commemorate a peculiar school tradition.

Watch cheese-flipping robots in action at this factory and museum.

After retiring, Gary Pendergrass turned his yard into a wonderland of outsider art.

At this monastery, monks make raw-milk cheese and use excess whey to create methane that powers their hot-water system.

A small house sits between two huge rocks, with its back to the sea.

A poem by Arthur Rimbaud is inscribed on the wall of a street that, while it is only one block long, plays a key role in multiple novels.

A museum dedicated to one of Paris’s most famous residents, tucked into a corner of one of the city’s most famous squares.

A museum dedicated to linguistics, from how babies learn to talk to endangered and extinct languages.

Cloistered comestibles are served with style at this French Orthodox monastery.

A fortified palace in the shape of a ship on the Thiou river.

19th century pendulum and a clock restored by a rogue group of guerilla artists.

This Parisian café sticks almost exclusively to an ethos of reuse.

A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the century.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

This open-air mosaic gallery honoring an English artist took hundreds of volunteers more than seven years to create.

A domino effect created with Britain’s iconic telephone boxes.

Formerly known as Saville Theatre, this mid-20th-century entertainment hub includes an ornate frieze.

The ruins of a church destroyed by both the Great Fire of London and the Blitz, now turned into a peaceful garden.

A museum that chronicles the interesting and often dark history of the London docklands, once one of the major trading ports of the world.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

A kaleidoscopic warehouse-maze of handmade neon signs.

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

A hidden workshop for creating and restoring Papal mosaic masterpieces.

A series of caves, tunnels, and wells filled with fascinating figures and symbols.