630 feet above ground it's 1,076 steps up to the top of this landmark
St Louis Gateway Arch
No. It is completely within the sovereign territory of the Navajo Nation, and thus outside the jurisdiction of the federal government. As such, it can not become part of the National Park System. It is instead a Navajo Tribal Park.
no
In 1929 as a national monument, but 1971 as a national park.
Yellowstone National Park, Grand Teton National Park, Fossil Butte National Monument, Devil's Tower National Monument, and Fort Laramie National Monument are all located in the US state of Wyoming.
Denali National Park
The Washington Monument is located in downtown Washington, D.C. It is on the National Mall, a national park administered by the National Park Service.
President Obama designated several national parks during his presidency, including Bears Ears National Monument in Utah and Katahdin Woods and Waters National Monument in Maine.
Congress passed a bill making it a national park. Before that it was a national monument.
In New Mexico. Note that it is a national monument, not a national park.
Pennysylvania is a state.
Dry Tortugas was designated a national monument in 1935, and a national park in 1992.