Originally Posted by
frankmu
Which Air and Space Museum? I've been planning to go to the Udvar-Hazy Center (one of these days), and they apparently have lockers:
http://www.si.edu/Visit/Security
I'll be at the one in DC. Used to go up every year to visit A&S, Nat. His and the Nat'l Zoo, but it has been a few years since I was last up there. Haven't been to the Udvar-Hazy Center yet, but it has been on my list of places to visit.