(DC) (Smithsonian Associates) Just a few miles from Washington, D.C., lies a rural oasis that rivals the English countryside. Spend an autumn day exploring the scenic 93,000-acre Agricultural Reserve with naturalist and long-time resident Melanie Choukas-Bradley, whop will introduce some of her favorite places in this close-in slice of paradise at the base of Sugarloaf Mountain. You will hear remarkable ...