Eric Walker added Zion National Park - Wikipedia and Angels Landing - Wikipedia to Zion National Park, and added Zion National Park to Utah and National parks in the United States
Eric Walker added a number of topics and List of national parks of the United States - Wikipedia to National parks in the United States, and added National parks in the United States to National Park Service (NPS)
Eric Walker added Yellowstone Caldera and Yellowstone National Park - Wikipedia to Yellowstone, and added Yellowstone to Wyoming and National parks in the United States
Eric Walker added Opinion | After Five Centuries, a Native American With Real Power - The New York Times to Bears Ears, and added Bears Ears to National parks in the United States
Eric Walker added a number of links to Yosemite, and added Yosemite to California and National parks in the United States