A tour of which Washington, D.C., headquarters once included its DNA lab and a display of over 5,000 weapons?

A tornado that struck Rochester, Minnesota, in 1883 led doctors with which last name to help open a hospital, forerunne… Which of these is a Toronto pro sports team? In 1990, blurry photos taken by which newly launched device dismayed astronomers? About 45,000 prisoners passed through which Confederate prison camp in Georgia, which operated for only about 14 months? In a famous 1962 TV special, which first lady gave viewers a tour of the White House? Which tower is described in Genesis chapter 11? A "town and gown" conflict at Oxford in the early 1200s led some scholars to leave and found which university? A town called Roulettenburg is the setting of "The Gambler", an opera by which composer of "Peter and the Wolf"?