Kiss the Blarney Stone at the top of this castle’s tower and you’ll never again be lost for words, or so the legend goes. You’ll be following in the footsteps of poets, presidents and millions of others who have this castle one of the most visited in the world. Other things to do at this 15th-century defensive fortress include visiting the Rock Close, a Druid garden complete with an ancient burial Dolmen and picnicking on the banks of the River Martin.