English Heritage has announced a wartime dome in Norfolk, used to train anti-aircraft gunners, is one of its priority sites for rescue and repair.
A number of buildings in the region have also been added to the "at risk" register - including three in Suffolk and five in Norfolk.
Natalie Gray reports.
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Heavy showers will move north during Saturday and it will feel cool. Sunday will be drier and brighter with long spells of sunshine.
A man who killed two young engineers who were on their way to work in a collision near Littleport has been jailed for five years.
The deaths of a man and a woman whose bodies were found on a mudbank are not being treated as suspicious.