Historic St. Mary's City outdoor exhibits are closed for the winter.
St. John's Site Museum winter hours: Fridays and Saturdays, 10 a.m. to 4 p.m. January 23 - March 17
18751 Hogaboom Lane St. Mary's City , 20686
09 Jul 2025
10:00am - 12:00pm
18751 Hogaboom Lane St. Mary's City , 20686
09 Jul 2025
10:00am - 12:00pm
10:00 a.m.–12:00 p.m. | Margaret Brent Gazebo & Waterfront | Ages 12–16
Explore how the power of the sun shaped 17th-century science! From sun dials and navigation tools to the story of astronomer Arthur Storer, this hands-on workshop is perfect for curious teens. Build your own sun dial, try out maritime tools, and uncover the secrets of colonial stargazing.
📌 $20 nonmembers / $15 members. One adult free per registration.
🌞 Weather dependent.
📅 Registration opens June 9. Space is limited—sign up early!
Tue, Mar 17, 2026
10:00 AM - 04:00 PM
Wed, May 13, 2026
02:00 PM - 03:30 PM
Wed, Jun 10, 2026
02:00 PM - 03:30 PM
Wed, Jul 8, 2026
02:00 PM - 03:30 PM
Wed, Aug 12, 2026
02:00 PM - 03:30 PM
Wed, Sep 9, 2026
02:00 PM - 03:30 PM
Wed, Oct 14, 2026
02:00 PM - 03:30 PM
