The most distinctive Cambridgeport warehouse, as well as one of the oldest buildings in the vicinity of MIT., is the Metropolitan Storage Warehouse at Massachusetts Avenue and Vassar Street. Built in 1895, the five-story, 90-foot-wide brick building was extended in 1911 to a total length of 480 feet. Peabody and Stearns were the architects for both the original building and the extension. Although constructed of brick rather than a reinforced concrete, the warehouse is fireproof, because its ceiling and roof are brick-arched … Stylistically, the Metropolitan Warehouse evokes the solid, impregnable image of a medieval castle, with a prominent square corner tower, additional towerlike projections along both main facades, a crenellated corbelled cornice and small slit windows (round in the top story). It helped to set the style for such subsequent pre-MIT structures as Riverbank Court of 1900 Memorial Drive and the Armory of 1902 across Vassar Street. In terms of access, the warehouse lies directly alongside the Boston and Albany railroad tracks and has truck loading doors along Vassar Street, although the latter lack adequate provision for trucks to pull of the street. Off-street loading facilities were not so important in the horse-and-wagon era when the building was erected.