If you're a National Park buff, and you probably are if you're listening to this podcast, you probably know of some of the famous people responsible for the very creation of many of our greatest parks. People like John Muir, Marjory Stoneman Douglas, Teddy Roosevelt, and Stephan Mather. But we're guessing you haven't heard of Minerva Hamilton Hoyt. On today's episode of America's National Parks, Joshua Tree National Park, the California Desert, and the woman who made sure they were protected for many lifetimes to come.