Answer:
Oldest: Yellowstone National Park Newest: White Sands National Park Biggest: Wrangell-St. Elias National Park Smallest: Thaddeus Kosciuszko National Memorial Most Visited: Great Smoky Mountains National Park Least Visited [1]: Aniakchak National Monument and Preserve Most expensive to visit: Denali National Park Least expensive to visit: Hot Springs National Park Most expensive to camp: Yosemite National Park Most activities: Grand Canyon National Park Most motel/hotel/lodge rooms [2]: Yellowstone National Park 2nd National Park: Sequoia National Park Has 3 of the 10 highest waterfalls in the world: Yosemite National Park Hottest National Park: Death Valley National Park Coldest National Park: Mount McKinley National Park One of the 7 wonders of the Natural World: Grand Canyon National Park Has the largest tree in the world [2]: General Sherman Tree, Sequoia National Park Has the largest animal: Bison, Yellowstone National Park Has highest point: Mount Whitney, Sequoia National Park State/states with most national parks: California, Alaska and Utah Has lots of turtles: Everglades National Park Works of Man: Mesa Verde National Park Highest road: Trail Ridge Road, Rocky Mountain National Park Deepest cave: Krubera Cave, Carpathian Mountains, Ukraine Most caves: Mammoth Cave National Park Deepest Lake: Lake Baikal, Siberia Site of First Women’s Rights Convention: Seneca Falls, NY Only state without a National park or National monument: Delaware Most remote national park: Gates Of The Arctic National Park Contains the largest volcano on earth: Mauna Loa, Hawaii Volcanoes National Park Contains worlds largest gypsum deposit: White Sands National Park