Heapstown Cairn an unopened neolithic cairn by Lough Arrow in County Sligo is the fourth largest megalithic monument in Ireland.
A slideshow the monuments and ruins of County Sligo drawn and painted by the artist William F. Wakeman. All images © Sligo County Library.
The Pipers, a pair of standing stones on Bodmin Moor in Cornwall, are said to be a pair of pipers who were turned to stone for playing music during a hurling match on a Sunday.
