In which state is Death Valley, the lowest point in North America?

Which state has a flag with a different design on each side, with a beaver on the back? Which state flag is the only one to feature a U.S. president? Which state is home to the highest peak in North America, Denali? Which state is home to Mount Whitney, the highest peak in the contiguous United States? Which state has the longest coastline? Which state is made up of two large peninsulas? Which state has the nickname "Land of 10,000 Lakes"? Which state is home to the Great Salt Lake?