1. Tintagel Castle, Cornwall
Cornwall’s Tintagel Castle is best known for its affiliation with the legendary King Arthur, after Geoffrey of Monmouth declared it to be his birthplace in the twelfth century. Down below is ‘Merlin’s cave’, so-called because it’s where the old wizard is said to have resided. When the tide’s out it’s possible to have a snoop around for magical evidence. With or without sorcery, the place is drop-dead beautiful and reeks of history – no wonder, considering it has origins dating as far back as the Dark Ages.