The Kentucky Derby is run on a dirt track made of which mixture of sand, silt and clay?

Which singer's ex-son-in-law, Sidney Lumet, directed her as a witch in "The Wiz"? Sir, to toy with a woman's affections makes you a cad, a bounder, and which body part, technically the calcaneus? Slower than a gallop, which horse's gait is named for a pilgrimage site in England? In most iron shots in golf, which piece of turf gets dislodged? Some editions of which Dickens novel begin "An ancient English Cathedral town"; others say "tower"? "Some Like It Hot" was filmed at which historic San Diego-area hotel? Some think America was named for Richard Ameryk, an investor in Cabot's voyage, and not for which Italian who died in 1… Some travelers hike the Inca Trail to reach Machu Picchu in which country?