They are thought to be man-made Megalithic "passage tombs," thought of as underground grave sites resembling large mounds practically growing out of the hillside. The Newgrange mound is about 260 ...

If Newgrange is for early risers, then Slieve Gullion, in County Armagh, is for those who like a sleep in – provided they don't mind hiking to the top of a mountain. Either way the winter ...