There are two of them.
The phone number of the Historical Society Of Frederick Cou is: 301-663-1188.
The phone number of the Beatty-Cramer House Frederick is: 301-898-1732.
The phone number of the Schifferstadt Architectural Museum is: 301-663-3885.
The phone number of the Calvert County Historical is: 410-535-2452.
The phone number of the Roger Brooke Taney House is: 301-663-7880.
The phone number of the Barbara Fritchie House And Museum is: 301-698-0630.
The phone number of the Rose Hill Manor Park is: 301-694-1648.
The phone number of the National Museum Of Civil War Medicine is: 301-695-1864.
The phone number of the Frederick Public Library is: 580-335-3601.
The phone number of the Maryland House And Garden is: 410-821-6933.
The phone number of the Fire Museum Of Maryland is: 410-321-7500.
The phone number of the Maryland Science Center is: 410-685-2370.