Centuries of human activity have forged an eerie landscape of ruins and craters on an exposed and windswept hilltop.

Tucked among the sand dunes overlooking a Welsh beach, a real-life tribute to a fictional elf.

Created hundreds of years ago, the magical follies and landscapes at this park were almost lost to time before being restored.

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

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

The site of an early Arthurian battle and the dwelling-place of prehistoric people and (possibly) an ancient race of giants.

This pedestrian walkway cuts through a cemetery and over several burial vaults.

The painting on an aptly named street honors the 1980s slasher movie.

An impromptu shrine appeared shortly after beloved "Torchwood" character Ianto Jones was killed off the show.

A rocky sea serpent hides caves, blowholes, and a spectacular natural bridge.

This lonely cast-iron structure is the only wave-washed lighthouse of its kind left in all of Britain.

A hermit's tiny cell built into the cliffside that saved him in South Pembrokeshire.

A spiral staircase connects the limestone cave with Pembroke Castle, birthplace of King Henry VII.

A Neolithic tomb hidden among a spectacular boulder-strewn stretch of coast.

Eerily lifelike effigies stare at everyone who enters this sanctuary.

These haunting ruins belong to an ancient village that once had one hell of a view.

A little-known castle set in a nature reserve.

The world's largest prehistoric copper mine had 30,000 animal bones scattered throughout the maze of passageways.

One of the few surviving street funiculars in the world.

After years of slow decline, a derelict Gothic castle is now being restored to life.

This ancient castle has been abandoned since the Edwardian conquest of Wales.

A former fisherman's hut deemed too small for habitation is now a delightful tourist draw.

One of the world's oldest trees comes with a Welsh legend intertwining it with a spirit prophesying death.

The stately remains of Llywelyn the Great's mighty fortress.