Newgrange photographs by Annaliese Moyer.
Twelve standing stones survive of what may have been an arc at the front of the mound, or possibly a complete circle of about 35 stones surrounding the mound.
A folly is a building with no particular purpose. Many follies were built in Ireland by wealthy landowners in the 19th century, sometimes with the worthwhile purpose of providing work during the famine.
More Newgrange images and an old photograph of Newgrange from 1928.