Cocke County, Tennessee ' Established 1797, named in honor of Senator William Cocke (1796, 1797, 1799 to 1805). An officer of the Revolutionary Army; one of the leaders of the state of Franklin and member of the Legislature of the Territory South of the Ohio River.' North Carolina/Tennessee State Line to Kentucky/Tennessee State Line East Tennessee is home to an exceptional list of attractions, including the Chattanooga Choo Choo, the Tennessee Aquarium, Dollywood, Rock City, Ruby Falls, the Lost Sea, the International Storytelling Center, Ripley\'s Aquarium, the Knoxville Zoo, Women\'s Basketball Hall of Fame, the birthplace of country music and NASCAR\'s home.