Happy 99th birthday, @NatlParkService! You look better than ever, especially from space! http://t.co/VObGo7u5og pic.twitter.com/pC1fcRFBBq — NASA (@NASA) August 25, 2015
Happy 99th birthday, @NatlParkService! You look better than ever, especially from space! http://t.co/VObGo7u5og pic.twitter.com/pC1fcRFBBq
— NASA (@NASA) August 25, 2015
BTW, admission is free at all national parks today.