In which state is Mount St. Helens?

In which state is Acadia National Park? In which state is Carlsbad Caverns National Park? In which state is Mammoth Cave National Park? Which two states share Great Smoky Mountains National Park? In which state is Pearl Harbor? In which state is Kitty Hawk, where the Wright brothers made their first flight? In which state is Plymouth Rock? In which state did the first permanent English settlement in America, Jamestown, begin?