Once you reach 35,000 feet of altitude is impossible to see what you’re flying over, but the mystery remains. You might assume pilots can cruise anywhere they please, but the truth is, there are some places so sensitive that pilots aren’t allowed anywhere near them: The White House, Disney World, or even George Washington’s historic home are just a few of them. These are called no-fly zones, and here are 11 of those places in America where the skies are permanently off-limits.