(DC) (Tregaron Conservancy) Join Anne Dawson for an in-depth landscape walking tour focusing on Tregaron’s historic designs and the Conservancy’s current efforts to recapture Ellen Biddle Shipman’s vision. The tour will delve into Shipman’s collaboration with architect Charles Adams Platt on plans for the estate, the aesthetic principles underlying her original “wild garden” designs, and the Conservancy’s ongoing work to ...