These will probably be the last from me, at best I would only have got around 15 of the 20 without some serious travelling
Caister Castle and Car Museum. This is on my doorstep and have never visited it, you can climb up the tower which is 90ft high. For a full history …
https://www.caistercastle.co.uk/castle
A reservoir … technically
And finally… a circle surrounded by crops… a crop circle! 
