What is the largest national park in the contiguous United States?

The largest national park in the contiguous United States is Death Valley National Park. Located in California and Nevada, Death Valley covers over 3.4 million acres and is one of the hottest and driest places on Earth. The park features extreme landscapes, including salt flats, sand dunes, and rugged mountains. Despite its harsh conditions, Death Valley is home to a variety of wildlife, including coyotes, bighorn sheep, and desert tortoises. It also contains significant cultural and historical sites, such as ghost towns and mining areas.