National Parks of the United States 

1 Acadia, Maine

2 Everglades, Florida

3 Glacier, Montana  2014

4 Grand Canyon, Arizona

5 Grand Teton, Wyoming  1998 (on the way to Yellowstone)

6 Haleakalā, Maui, Hawaii

7 Hawaii Volcanoes, Big Island, Hawaii

8 Rocky Mountain, Colorado

9 Yellowstone, Wyoming, Montana, Idaho  1998

10 Zion, Utah  2009

11 Glacier Bay, Alaska  2002

12 Mesa Verde, Colorado  (in Grand Canyon trip)