beyond. The site is located within Battery Kemble Park, bounded by Chain Bridge Road, MacArthur Boulevard, 49th Street, and Nebraska Avenue, NW. Fletcher's Cove is on the Potomac River and the C & O Canal National Historical Park, between Chain and Key Bridges. Fletcher's has been in this location since the 1850s and is renowned as a superb fishing and recreational area. The nearby Abner Cloud House is the oldest building on the canal, dating back to 1802. After 145 years of business, the fourth generation of Fletchers retired in 2004 and Guest Services Incorporated, a National Park Service concessionaire, assumed responsibility for the operation of the concessions. The area surrounding the boat house was then officially named Fletcher's Cove, though most people still call it Fletcher's Boat House. Other notable landmarks making the Palisades unique are the old Conduit Road Schoolhouse on MacArthur Boulevard, Palisades Community Church (1923), The Lab School of Washington (1967) (formerly the Florence Crittenton Home for Unwed Mothers), the German Embassy, St. David's Episcopal Church (1940), Sibley Hospital (1961) and Gen. Montgomery C. Meig's Washington Aqueduct/ Delcarlia Filtration/ Water Treatment Plant (1853). Remnants are everywhere of the old Capitol Transit #20 trolley (Union Station to Cabin John) that was a very popular ride thRough the Palisades out to the Glen Echo Amusement Park (1898–1968). In addition, the Georgetown Branch of the B & O railroad once worked its way through The Palisades, the most notable landmark being the steel trestle bridge over Arizona Ave. Since the Georgetown Branch's abandonment in 1985, it has been part of the Capital Crescent Trail. The Palisades Firehouse (Engine Company 29), at 4811 MacArthur Blvd. NW, built in 1925 is listed on the National Register of Historic Places. It was designed by architect Albert L. Harris in Colonial Revival style. Also National Register-listed are: Conduit Road Schoolhouse Dr. Franklin E. Kameny House, ordinary-looking home of gay rights leader Northwest No. 4 Boundary Marker of the Original District of Columbia Washington Aqueduct. Designed by John J. Zink, the MacArthur Theater, originally a single 1,000 seater that was tri-plexed in 1982, was in use from December 1946 through March 1997. On September 11, 1936, at a cost of $40,000, the Palisades Playground and field house was dedicated at its current Sherier and Edmunds Place location. The Palisades neighborhood is the home for a variety of popular restaurants such as Figs, Bambu, Bistro