In which state would you find the Gateway Arch?

Death Valley National Park lies mostly in California and partly in which other state? In which state would you find the Statue of Liberty? In which state would you find the Golden Gate Bridge? In which state would you find the Space Needle? In which state would you find Graceland? In which state would you find the Liberty Bell? In which state would you find the Hollywood Sign? In which state would you find Niagara Falls (American side)?