The names Lúthien and Beren can be found inscribed on the shared grave of the famous writer and his beloved wife and muse.

The largest stone circle in the world has ended up bringing up more questions than it has answered.

England's most notorious suicide spot.

Besieged by war, this castle ruin has crumbled into a peaceful picnic spot.

A miniature Italianate fantasy village on the coast of Wales and the set of ITC classic "The Prisoner."

A 200-year-old prison that now houses a peculiar crime museum.

Below a historic English market town lies a secret underground city complete with kitchens, laundries, storerooms, and an underground lake.

Largest lake in Great Britain measured by surface area.

This abandoned asylum in Wales might look haunted, but it's still beautiful.

This cramped crevasse saw the entire population of its island suffocated inside its depths.

Western Europe's only representation of a Roman goddess still in its original location sits in an unassuming park.

England's oldest surviving hedge maze has been confusing visitors for over 300 years.

This stately estate house features a tower covered in a bright, modern mural.

A small island abbey is the final resting place of many medieval Scottish monarchs, including the real Macbeth.

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

A site of pagan worship which still attracts people looking for fairies.

A 6th-century stone lies at the site of the mythical battle waged between King Arthur and his nemesis Mordred.

This Scottish bridge seems to compel dogs to leap to their death.

Shakespeare, David Bowie, Dr. Who, the Saxons, Druids and Romans are all claimed to have all made their mark on these massive man made tunnels.

These ancient sunken lanes were naturally tunneled into the soft ground by countless footsteps.

The last inhabitants of one of the U.K.'s most remote islands were evacuated in 1930.

The largest cave chamber in Britain—big enough to fit a whole cathedral inside.

This medieval sanctuary's tree-framed door looks like a portal to a mythical realm.

At high tide this strange footbridge appears to have no purpose whatsoever.