Charles Carroll wore many hats during his lifetime, including planter, writer, and congressional delegate. But he is best known as one of the 56 signers of the Declaration of Independence. In addition to playing a pivotal role in the country’s fight for independence, Carroll was a wealthy landholder who owned thousands of acres in the Maryland countryside. Some of that land was eventually purchased by the owners of Baltimore’s Pimlico Race Course, who built an English-style manor on the grounds in 1936. Today …