Category:Maryland Not Visited

 (F) 39.2798, -76.60845, Fort Federal Hill (1861-1865) (F) 39.341677, -77.75028, Fort Duncan (2) (1862-1865) (F) 39.34028, -77.71722, Stone Fort (1862-1865) (F) 39.698425, -78.201994, Fort Tonoloway (1755 - 1756) (Marker)

(F) 38.95297, -77.10164, Fort Mansfield (2) (1861-1865)

(F) 38.87351, -76.92941, Fort Meigs (2) (1861-1865)

(F) 39.256907, -76.609184, Fort Covington (3) (1813-1836) (F) 39.266793, -76.605129, Fort Babcock (1) (1813-1815) (F) 39.271447, -76.608184, Fort Look-Out (1813-1819) (B) 39.2605556, -76.5688889, Lazaretto Battery (1813-1815)

(F) 39.214757, -76.519303, Fort Carroll (1) (1848-1921) (F) 38.9851376, -76.4635105, Fort Madison (2) (1808-1873) (F) 38.9818, -76.4812, Fort Severn (1808-1865) (F) 38.9872594, -76.4696074, Fort Nonsense (2) (1808-1815) (F) 39.28500, -76.56817, Fort Marshall (1) (1861-1864) (F) 38.956689, -77.1224678, Fort Sumner (3) (1861-1865) (A) 39.3752211, -76.7224538, Pikesville Arsenal (1819-1879) (A) 39.4014485, -76.2981606, Edgewood Arsenal (1917-Present)

(R) 39.116343, -76.727277, Fort Meade Radar Site (1961-1979)