Need date Ideas NOW!!! Help!!?

Tomorrow is my girlfriends and I's 3 month anniversary and the forecast is rain so that ruins my picnic plans. So I need some help on making another romantic date. My girlfriend and I do not have sex because we are waiting for the right time. Just so you all know. Please just help :P I really want to make this a good date since she wont see me for a week and half since I am going out of town! Any Ideas!