There are 21 protected areas of the United States designated as national preserves. They were established by an act of Congress to protect areas that have resources often associated with national park
Entrance sign to Mojave National Preserve
Entrance sign to Denali National Park and Preserve
Tors in serpentine valley
The protected areas of the United States are managed by an array of different federal, state, tribal and local level authorities and receive widely varying levels of protection. Some areas are managed
National preserve
…There are 21 protected areas of the United States designated as national preserves. They were established by an act of Congress to protect areas that have resources often associated with national parks…
Grand Canyon of Yellowstone
John Muir (1838–1914), one of the main inspirations for the U.S. national park system. "Why should man value himself as more than a small part of the one great unit of creation ?" - John Muir.