This is a cracker ... Heatherwood Hospital is just across the road from Ascot racecourse, on the big roundabout. Strictly speaking, you should really be a patient, or visiting one, to gain access, but they’ll spank you for the parking fee regardless.
Inside the hospital, inside a tiny quadrangle, is a fair sized bowl barrow, probably late Bronze age. There’s a little sign by it, but otherwise absolutely no acknowledgement of it’s existence. Even the size of the space allocated to it demonstrates the begrudging nature of it’s survival ...