The Davidstow Airfield and Cornwall at War Museum (usually known by the shorter titleCornwall at War Museum) is located on part of the old WW2 airfield RAF Davidstow Moor. The museum, which covers about two acres, officially opened in June 2008 with just a few buildings and artifacts but since then has grown year by year. There are now 18 separate buildings (including four of the original buildings from the 1940s) and literally thousands of items for the visitor to see as well as other larger exhibits in the museum grounds.
Daily 10:00 - 17:00 on days specified
Check the calendar - http://www.cornwallatwarmuseum.co.uk/calendar.htm
Davidstow Airfield and Cornwall at War Museum