No one is sure why, but in 1898 Rufus T. Owens of Central City, Colorado (elevation 9,000 feet) decided to build a submarine, which he named the Nautilus. He and a few friends launched it on nearby Missouri Lake. They ballasted it with three tons of rocks. Owens intended to captain the maiden voyage himself, but fortunately for him, the submarine sank before he had a chance to climb inside. For nearly 50 years, the submarine lay on the bottom of Missouri Lake and became something of a local legend….