The National Park Service was established by Congress on this date in 1916. The NPS oversees 413 units, of which 59 are National Parks.
Alaska has eight, incredibly unique, National Parks:
In addition, Alaska has one Wild River(Alagnak); one National Historic Area (Aleutian World War II); two National Historic Parks (Klondike Gold Rush, Sitka); two National Monuments (Aniakchak, Cape Krusenstern); three National Preserves (Bearing Land Bridge, Noatak, Yukon – Charley Rivers); plus the Inupiat Heritage Center in Barrow.
All photos and logos come courtesy of your National Park Service