This travel spot is featured in our seventh blog series, Sheps Stay. Photo by visitfrederick.org Some destinations make you choose between outdoor adventure and charming small towns—but Frederick County, Maryland, lets you enjoy both in a single day. Home to Maryland's largest historic downtown, Frederick invites visitors to stroll streets lined with beautifully preserved 18th- and 19th-century architecture, browse independent boutiques and art galleries, and relax at pet-fri