Heritage Open Days is England's biggest heritage festival . It celebrates our fantastic history, architecture and culture; offering people the chance to see hidden places and try out new experiences - all of which are FREE to explore.
Free of charge and right on people’s doorstep, Heritage Open Days is an event for everyone, whatever their background, age or ability. From castles to city halls, tunnels to tower tops, police cells to private homes, workshops to woodland walks, the variety of places and ways to discover them are endless. -
See more at: http://www.heritageopendays.org.