Think you know NESM? Think again! Lots of our visitors are surprised by how much there is to see and do; and no wonder when there's 3 floors of amazing hands-on history to explore! Discover it for yourself this weekend - we're open Sat & Sun, 10am-4pm. https://t.co/xpOEPoC5nFhttps://t.co/gdSSFuzCW1,