Louisville is the largest city in Kentucky and an industrial, financial, marketing, and shipping center of the South. The city has some of the nation's largest whiskey distilleries and cigarette factories. Louisville developed as a portage place around the falls and as a river port and major commercial center. Many of the nation's most famous steamboats were constructed there. Churchill Downs, a noted racetrack, is scene of the annual Kentucky Derby. The city has noted parks and is site of the state fairgrounds. It has a symphony orchestra and an opera company and hosts an annual festival of new American plays. Among points of interest are American Printing House for the Blind; J.B. Speed Art Museum; Kentucky Center for the Arts; Actors Theater of Louisville; “Farmington”; Filson Club, with a historical library and museum; Jefferson County Courthouse; and Cave Hill Cemetery, where Clark is buried. Nearby is “Locust Grove,” the last home of Clark, as well as the burial place of Zachary Taylor. Fort Knox is in the area.