Dunwich Heath is claimed to be one of the 10 top picnic spots in the UK, see this Anglia TV clip
http://www.itv.com/anglia/best-place-for-a-picnic21851/
The imagination can run run riot with how all those medieaval buildings would have looked today if the sea had not swallowed up the land, I wonder how many listed buildings there would be compared to those that exist today
http://www.britishlistedbuildings.co.uk/england/suffolk/dunwich