Many offer unique opportunities to go behind usually closed doors, or are giving the chance to enjoy rarely seen exhibitions or archives. While others are hosting specialist talks or tours to mark the annual festival of the nation’s past.
Here, the Chronicle & Echo has put together 36 Heritage Open Days events that you can enjoy, for free, during September.
To find out more information on other open days across the county and country, visit https://www.heritageopendays.org.uk/

37. The Gaol and the Drops
4-6 Guildhall Road, Northampton, Northamptonshire, NN1 1DP. Tours of Northampton's Victorian County Gaol and sites of execution. unday 14 September: 1400, Tuesday 16 September: 1400, Wednesday 17 September: 1400, Friday 19 September: 1400, Saturday 20 September: 1400, Sunday 21 September: 1400. Pre-booking preferred, please call 07746 116569 Photo: Alan Clark / Heritage Open Days

