And what of the oceans, rivers and lakes of Earth? Seagoing vessels can be as large as small cities or nearly as tiny as a person. Plenty of stories have been told of adventures on or under the water. Which boat, submarine or other offshore environment is your favorite?

Captain Bonus: Who is the best vessel commander (including historical depictions of real people, what the heck) in a film or series?

Very Specific Bonus: Could the game Battleship ever work as a film? Does anyone have any thoughts on the film that was made?