I'll be visiting during the first week in March. I recognize that some of the amenities and features are closed or have reduced hours. I like to visit touristy spots in the off-season, so that doesn't bother me. I've read through the official web site and poked around these forums. It isn't discussed much. I'm setting aside up to 2 days because I will be wanting to get out of my car and walk around the battlefield quite a bit, which I assume is allowed. I'm from MN so whatever the weather is, I suspect it will be milder than what I'm used to.
Anything else I should know about visiting during this time of year?