ATTENTION! These discussions contain information about some modern day events as they relate to the history of the American Civil War, and some limited modern political discussion WILL be allowed. If you aren't interested in that type of discussion, you are welcome to visit other areas of CivilWarTalk!
American Battlefield Trust. They've done amazing work saving critical battlefield property from development and it's a great outfit for donations. In addition, if you use "Amazonsmile" as the portal for any purchases at Amazon and designate the ABT as your charity, they earn a contribution.