Inside the Royal Yacht Britannia, the royal family's luxurious private cruise ship known as a 'floating palace'

Tim Graham Photo Library via Getty Images

The Royal Yacht Britannia was the British royal family's private yacht from 1953 to 1997. With its many royal vacations and official tours, the yacht logged over 1 million miles, the equivalent of one trip around the world for each of its 44 years at sea.