Waco is a city in central Texas. By the Brazos River, Cameron Park Zoo is home to lions, otters and meerkats. The Texas Ranger Hall of Fame and Museum traces the history of the state law enforcement agency and displays vintage badges and weapons. The Dr Pepper Museum pays homage to the famed, locally invented soft drink. The Waco Mammoth National Monument is a fossil site home to the bones of Columbian mammoths.