Theodore Roosevelt Island is located at the fall line in the Potomac River, where the rocky Piedmont Plateau meets the sandy soils of the Coastal Plain. The river flows to either side of the island in two channels. The narrower channel on the west…

Located on a quiet residential street, this 1914 Colonial Revival townhouse is typical of the finely detailed urban residential building constructed in the Sheridan-Kalorama neighborhood of Washington, D.C. in the early twentieth century. Frances…