August 2nd, 2016 brings us 23 days away from the National Park Service Centennial. In this edition of the #CentennialCountdown we go back 23 years to 1993 and the 100th anniversary of Grand Canyon National Monument.
August 2nd, 2016 brings us 23 days away from the National Park Service Centennial. In this edition of the #CentennialCountdown we go back 23 years to 1993 and the 100th anniversary of Grand Canyon National Monument.