The museum is free and donations are welcome.
Saturday: Group reservations only.
National holidays: Closed.
Reservations are required for a group visit (more than 5 people) and for a free tour guide.
Call for a reservation at 240-403-7946.
DURING YOUR VISIT
No food or drink is allowed in the exhibition hall.
Please keep quiet during your visit. Do not touch the exhibits.
Please follow the directional signs to guide you through the exhibits in the museum.