I'm with Ironman on this one - I usually go for the rock art as well, but the weather on Sunday was so nice I went for a wander in the other direction, so -

Grubstones
http://www.themodernantiquarian.com/browse.php?site_id=2720

Horncliffe
http://www.themodernantiquarian.com/browse.php?site_id=2721