In the past year, an unprecedented number of people have sought solace in the nation’s state parks. The outdoors has been deemed one of the few places where we could safely escape, and the nation’s state parks have provided that much needed escape. Imagine having lived through 2020 without that vital escape.Good.Now, imagine it’s 60 years ago and that escape isn’t available — at least not to you. That was the case for millions of African Americans throughout the South; beginning in the 1930s,...