Cast in 1586, the world's largest cannon by caliber stands in which Moscow landmark?

Bruce Willis married which actress on November 21, 1987? Ohio State's Archie Griffin, B.S. '76, is the only two-time winner of which college football trophy? Houses built with bales of which material are sturdier than in "The Three Little Pigs," and fire-resistant when packed… Harvard's Widener Library, opened in 1915, was built in memory of a victim of which tragedy? Which American author, whose surname sounds like the German word for "Sunday," wrote the novel "The Volcano Lover"? In which city is the ballet "Graduation Ball" set, as cadets attend a dance at a girls' school? Called Earth's twin, which planet's surface is hidden by thick clouds of sulfuric acid? In which Jules Verne novel does Captain Nemo finally die, revealing that he is an Indian prince?