Cecil County Maryland (Vacant / Not In Use) has 6 places on the National Register of Historic Places including 1 place of National significance and 2 places of Statewide significance. Significant places include Principio Furnace, Perry Point Mansion House and Mill and Principio Furnace, Elk Landing and Gilpin's Falls Covered Bridge.
The famous person George E. Mitchell is associated with one of more of the Cecil County historic places.
Some of the country's most noteable architects helped create the Cecil County places including George Johnson. Prominent architectural styles found in Cecil Country are .