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)

13 Olympic, Washington 2015 

14 Saguaro National Park, AZ 2018.  Chiricahua National Monument too.