The National Parks we've visited

The other day while watching the new Ken Burns special on parks I thought about how many we have visited since we retired in 2005. Here is the list we've compiled:
Denali
Wrangell-Elias
Vogagers
Acadia
Great Smokey Mountains
Carlsbad Caverns
Grand Canyon
Yosemite
Arches
Zion
Capital Reef
Canyonlands
Bryce Canyon
Black Canyon of the Gunnison
Mt. Rainier
North Cascades
Rocky Mountain
Mesa Verde
Petrified Forest
Crater Lake
Joshua Tree
Volcanoes
Glacier Bay
Saguero
Grand Tetons
Yellowstone
Kings Canyon
Sequoia
Lewis and Clark
(We've been to other parks like Glacier and Olympic, etc, but this is just the list since April of 2005.)