The historic antebellum plantation house was used as a Confederate headquarters during the 1862 Peninsula Campaign. Includes an exhibit highlighting the campaign.

Lee Hall Mansion is the only large antebellum plantation house remaining on the lower Virginia Peninsula. Completed in 1859, Lee Hall Mansion was home to affluent planter Richard Decauter Lee (of the York County Lee family), his wife Martha, and their children. Only three years after the house's completion, the Lees fled their home as the Peninsula became one of the first battlegrounds of the Civil War. Built on high ground, Lee Hall Mansion had a natural and commanding view of the countryside. Consequently, between April and May of 1862, the house was used as a Confederate headquarters by Major General John B. Magruder and General Joseph E. Johnston. From this location, Magruder and Johnston directed the defense of the Peninsula against Major General George B. McClellan's advancing Union Army, and for three weeks delayed the Union advance.