Sleeping in a nature bubble, Co FermanaghUnplug and relax into a perfect nature bubble – literally – at the unique luxury accommodation of Finn Lough in Northern Ireland. King John’s Castle, Limerick“700 years of oppression!” So say the Irish of being ruled by the English. READ MORE: Why a visit to King John’s Castle is a must-do in Limerick, IrelandKing John's Castle, in Limerick, makes for a great morning of exploration. Seaweed baths are a health and beauty phenomenon in Ireland and are meant to do wonders for your hair. Derek Cheng travelled to Ireland courtesy of Tourism Ireland, Tourism Northern Ireland and Failte Ireland.