The Eastern Front Visitor Center features exhibits and audio-visual programs that introduce the story of the siege and its impact on the course of the Civil War. A driving tour of the battlefields includes 13 separate sites with three contact stations along a 37-mile route. http://www.nps.gov/pete/planyourvisit/upload/PETEmap1.pdf  Park staff will answer questions and provide information to help you make the best use of your time.