Due to the forecasted inclement weather, the Summer Concert at Cosca scheduled for Thursday, July 9 from 6-8PM, will take place at the John Addison Concert Hall at Harmony Hall Regional Center.

Mount Calvert Museum and Historic Site

16801 Mount Calvert Road
Upper Marlboro, MD

Amenities

16801 Mount Calvert Road
Upper Marlboro, MD

Tel: 301-627-1286

Email: archaeology@pgparks.com

Hours:
Mon-Sun : Dawn-Dusk

Exterior view of a two-story, colonial-style brick building with a darker-red brick addition on one side.

Two young girls examine a wooden sifting box suspended from ropes.

Close-up of two children holding small artifacts in their hands resembling rocks, bone, pottery, and a large nail.

Bird's-eye view of a shallow, rectangular archaeological excavation site in a field.

Amenities

Picnic Tables

Rentals