Halcyon House is a Federal-style[2] home inWashington, D.C. Located in the heart ofGeorgetown, the house was built beginning in 1787 by the first Secretary of the Navy,Benjamin Stoddert.[1][3] Its gardens were designed by Pierre L'Enfant,[4] and for several decades in early 1900 Halcyon House was the center of much of Washington's social life.