Monocacy National Battlefield

Bring Fido to Monocacy National Battlefield in Frederick, MD. Leashed dogs are invited to explore this outdoor recreation area's historic, pet-friendly grounds, which is said to have saved Washington, D.C., in 1864. While pets are permitted to stroll along walking trails with you, note that they aren't allowed inside any buildings. Visit Website

Or call +1 3016623515 or email mono_mail@nps.gov for more information.