The 59 by 2020 project is a personal quest goal that I have set for myself. The goal is visit and photograph every US National Park by December 31st, 2020.
Here's the List of National Parks
Acadia
American Samoa
Arches - Visited September 2010
Badlands
Big Bend
Biscayne
Black Canyon of the Gunnison
Bryce Canyon - Visited October 2013
Canyonlands - Visited September 2009
Capitol Reef - Visited October 2013
Carlsbad Caverns
Channel Islands
Congaree
Crater Lake - Visited August 2011
Cuyahoga Valley
Death Valley - Visited March 2016
Denali
Dry Tortugas
Everglades
Gates of the Arctic
Glacier - Visited August 2014
Glacier Bay
Grand Canyon - Visited November 2009
Grand Teton - Visited July 2009
Great Basin
Great Sand Dunes
Great Smoky Mountains
Guadalupe Mountains
Haleakala - Visited October 2018
Hawaii Volcanoes - Visited October 2018
Hot Springs - Visited April 2019
Isle Royale
Joshua Tree - Visited February 2009
Katmai
Kenai Fjords
Kings Canyon - Visited September 2009
Kobuk Valley
Lake Clark
Lassen Volcanic - Visited June 2019
Mammoth Cave
Mesa Verde
Mount Rainier - Visited July 2014
North Cascades
Olympic - Visited July 2014
Petrified Forest
Pinnacles - Visited March 2015
Redwood - Visited November 2015
Rocky Mountain - Visited July 2017
Saguaro - Visited September 2016
Sequoia - Visited September 2009
Shenahdoah
Theodore Roosevelt
Virgin Islands
Voyageurs
Wind Cave
Wrangell-St. Elias
Yellowstone - Visited July 2009
Yosemite - Visited March 2008
Zion - Visited May 2006