Once thought to be the mysterious work of a witchy prophetess, a well with unusual properties turns objects into "stone".

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

6000-year-old site covered in more than 50 megaliths.

Seat of the Duke and Duchess of Devonshire for centuries.

This logic-defying 16th-century Tudor manor still stands to the delight and astonishment of onlookers.

A fantastic castle rumored to be the birthplace of King Arthur.

The remains of centuries of copper mining appear like an alien landscape.

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