The castle ruins in our care speak of sieges and centuries ceased. Malachy Conway, Archaeologist for National Trust NI reveals the history behind three of the most famous castles. Located on the Causeway Coast Way, it is believed that Saint Patrick once visited Dunseverick Castle. Sitting imposingly on a huge basalt stack on the North Coast, it is an ancient royal site of the Dál Riada, a Gaelic kingdom from at least the 5th century AD. It features two shores on either side on which ships and ga