If you are ever in the vicinity of Southern Maryland, be sure to stop at the Calvert Marine Museum.
Your admission fee (Adults $9.00, Children ages 5 to 12 $4.00 and Children under 5 free) for the museum also allows you to tour the Drum Point lighthouse.
The museum itself has exhibits highlighting the historical and natural environments of the Chesapeake Bay area, including a children's Discovery room and the otter habitat.
You can also take a marsh walk, oyster house, woodcarving shop and more.
For more information: Calvert Marine Museum.
Do you have any similar museums where you live?