US Department of the Interior @Interior
The creation of @YellowstoneNPS in 1872 as the 1st national park, inspired a worldwide movement. Today more than 100 nations contain some 1,200 national parks or equivalent preserves. Millions of visitors from outside the U.S. travel every year to see "America's best idea." 2/4🧵 https://t.co/CswnPvzRWS — PolitiTweet.org