Crypts and Tombs use the graveyard exteriors.

Prisons, Geols and Asylums use the castle exteriors (except those that contain siege weapons)

All Castles/Guards/CItadels/Strongholds use castle exteriors. No more castle mounds.

Cairns use this standing stone exterior.

Castle ruins use only ruined castle exteriors instead of the generic settlement ruins.

Cloisters/Cathedrals/Temples/Monasteries use the generic ruins exteriors.

Castle Llugwych's new exterior