Washington, D.C.’s boundary stones are in danger of disappearing : NPR

D.C.’s east cornerstone, located at the city’s easternmost point, is hidden in a small patch of woods in a residential neighborhood. Jacob Fenston/For NPR hide caption toggle caption Jacob Fenston/For NPR If you’ve been to Washington, D.C., chances are you paid a visit to some of the city’s many monuments. You probably didn’t see D.C.’s…