A giant sea monster turns out to be a submarine in which 1870 Jules Verne tale?

A gerontocracy is a government ruled by whom? A G.I. Joe figure introduced in 2000 represents one of which Native American World War II code talkers? A giant Ferris wheel graces which city's Prater park, opened to the public by Emperor Joseph II in 1766? Which giant hunk of Hollywood was born Roy Scherer Jr.? A gift from France unveiled in 1886 stands in the harbor of which city? Prunus serrulata is one of the main species of which trees, given by Japan in 1912 and planted around Washington's Tida… A gifted student and fine athlete, which member of the Tudor family became heir to England's throne at age 10 in 1502? "A Girl from a Different World" and "Train to the Urals" are chapters in which 1957 novel?