This was definitely worth going to. I would suggest going to the visitor center first. The center itself is brand new and nicely put together. There is a museum upstairs with an electronic battle map and audio that puts together the entire battle, as well as plenty of pictures and informational materials to read. There is a small gift shop area downstairs and the employees there are very helpful.
You can pick up a small brochure from the guest service desk in the front for an auto tour that will bring you around to locations in the area that were detrimental to the battle and historical events that took place. I would suggest walking on a few trails, especially the wooded trail towards the end of the auto tour. It is peaceful and you can see a small stream along with some very odd looking trees.
A must see for any war buff or just someone (or family) looking to do something that is totally FREE.