As of 2014, there were 9 National Military Parks.
The 2 National Military Parks visited by Gram and Pops are listed in black.
You can see pictures of their trips by going back and clicking
on the List of Visited Parks link above and then selecting
National Military Parks Visited by Gram and Pops.

Name
      Location
Chickamauga and Chattanooga National Military Park       Georgia, Tennessee
Fredericksburg & Spotsylvania National Military Park       Virginia
Gettysburg National Military Park       Pennsylvania
         
Guilford Courthouse National Military Park       California
Horseshoe Bend National Military Park       Alabama
Kings Mountain National Military Park       South Carolina
         
Pea Ridge National Military Park       Arkansas
Shiloh National Military Park       Tennessee
Vicksburg National Military Park       Mississippi, Louisiana