The outdoor exhibits are closed for the winter and will re-open on March 18.
18751 Hogaboom Lane St. Mary's City , 20686
Wednesday, July 03, 2024
Starts at 10:00am
18751 Hogaboom Lane St. Mary's City , 20686
03 Jul 2024
HSMC moves to its 2024 summer operating hours of Wednesday through Sunday, 10 a.m. – 4 p.m. on July 3
Fourth of July weekend hours:
Friday, June 28 OPEN 10 a.m. – 4 p.m.
Saturday, June 29 OPEN 10 a.m. – 4 p.m.
Sunday, June 30 CLOSED
Monday, July 1 CLOSED
Tuesday, July 2 CLOSED
Wednesday, July 3 OPEN
Wed, Mar 26, 2025
10:00 AM - 11:00 AM
Wed, Apr 9, 2025
10:00 AM - 02:30 PM
Tue, Apr 15, 2025
10:30 AM - 11:30 AM
Wed, Apr 16, 2025
10:00 AM - 04:00 PM
Fri, Apr 18, 2025
10:30 AM - 12:30 PM
Tue, May 6, 2025
04:30 PM - 06:30 PM
Sat, May 17, 2025
10:30 AM - 11:30 AM
Mon, Jun 2, 2025
04:30 PM - 06:30 PM
Fri, Oct 17, 2025
07:00 PM - 10:00 PM