https://guidigo.blob.core.windows.net/studio-tour-publish/tourthumb94b1b5e0-c01b-43d4-9a9f-a20192098f54cover-428px.jpeg?sv=2015-12-11&sr=c&sig=WOT536gM4lRn%2B0uumTAPA0b1UowvUqogcr9XxwhtGBU%3D&se=2021-01-17T11%3A51%3A10Z&sp=rBattle of Knoxville AR TourThis AR tour takes you through the Battle of Knoxville, overlaying historical photos on the very spot where they were taken.