I've just seen a program advertised as 'Coming Soon to UTV' called Hidden Heritage.
It looks like it's their answer to RTE's Secret Sights. The trailor mentioned rock art and 'the rows of stones known as The Long Woman's Grave' amongst other things.
I'm curious about the last one. If it's what I know by that name it's in County Down and ruined ... unless I found the wrong stones :-(
I don't have any further information at the moment, but I'll post info here as and when it becomes available. Obviously, if anyone else hears anything more definite about it please let us know.