Co. Antrim Coastline As you head out of Belfast, be sure to stick to Co. Antrim's northern coastline. It's astoundingly beautiful and you can make stops at attractions like Giant's Causeway (pictured), the Carrick-a-Rede rope bridge, Bushmills distilery, and Dunluce Castle. Image Source: Getty / Aitor Muñoz Muñoz / EyeEm