Lying about 12,500 feet above sea level, which lake on the Bolivia-Peru border is called the world's highest navigable lake?

The disastrous Children's Crusade of 1212 is one theory behind which legend of a stranger who led a town's children awa… Which hot Andalusian city is the setting of Rossini's opera about a barber named Figaro? Laughlin, which set its state's record high of 125°F in 1994, is in which state? Which skyscraper, completed in 1931, rises 1,250 feet from sidewalk to roof? Which poet, who lived from 1265 to 1321, described a journey through Hell in his "Inferno"? 128 Americans died when a German U-boat sank which Cunard liner off Ireland on May 7, 1915? Which British liner, torpedoed by the German submarine U-20 on May 7, 1915, sank in about 18 minutes? In 1281, a "divine wind" saved which nation from a Mongol invasion?