Give yourself a lasting reminder of your trip to tintagel castle and visiting merlinrsquos cave on the beach below with this fantastic charcoal grey merlin t shirtthe t shirt is exclusive to english heritage and depicts a silhouette of the legendary merlin standing on the beach in front of the cavealfred lord tennyson made the cave famous in his book idylls of the king in which he depicts the waves brining arthur to shore and merlin carrying him to safetykey featuresexclusive to english he