I checked this place out a few months ago. I believe the cost was about $6 a person to get in. There were very few people there when my friend and I were walking around. It is not my favorite museum but I do love to learn about history so for me I still had a great time. If you have a free afternoon and feel like strolling around taking some pictures with the family then you should give this place a shot.
Also, The gift shop was lacking, hope they add more items.