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

This museum houses an imposing skeleton army comprised of creatures great and small.

A counter-culture bookstore like no other hides in plain sight in the streets of Paris.

A haunting collection of the vanished and disappearing natural world.

France's most famous cemetery, with some of its most curious tombs.

Abandoned railway line circling the city of Paris.

This massive library holds what was once the largest book collection in the world.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

This dreamy street will transport you to wintertime in Victorian England.

19th century museum with an eclectic mix of curiosities, from Egyptian artifacts to items on archery history to the skull of the world's oldest horse.

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

These unique stepping stones hug a river's edge to take hikers on a journey through a limestone gorge.

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

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

This mysterious hilltop collection of Druid carvings isn't quite what it seems.

Inside this reclamation yard is a unique collection of horse-drawn vehicles.