What is the largest national park site in the US?

What is the largest national park site in the US?

A Wrangell–St. Elias
B Yellowstone
C Death Valley

Many of the largest national parks in the US are in Alaska, including the biggest, Wrangell–St. Elias National Park and Preserve. It covers 13.2 million acres—the size of Yellowstone, Yosemite, and Switzerland combined.

The correct answer is Wrangell–St. Elias.