Used in the children's game Duck, Duck, Gray Duck elsewhere in the States the chosen child is called "Goose" as in Duck, Duck, Goose.
Sunny P is a local nickname for Sun Prairie. I guess it's a takeoff of the orange juice like drink, Sunny D.
San Antonio is the only U.S. city with five Spanish missions. These historical structures served as the first foundations of the city (the Alamo is the oldest, built in 1718) along the San Antonio River.
The Alabama dish brought to fame by the movie of the same name is traditionally made from green tomatoes breaded with corn meal.
Lake Champlain's version of the Loch Ness Monster. People have reported seeing a monster in the lake for hundreds of years. In fact, the monster regardless of its actual existance is protected by both Vermont and New York laws. There was a monument to Champ erected in 1984, at the end of Burlington's Perkins Pier.