32nd St. and Lancaster Ave. Philadelphia Armory, also known as the Drexel Armory, is a historic National Guard armory and multipurpose venue located in the University City neighborhood of Philadelphia, Pennsylvania. Main entrances to the Armory are located at both 33rd and Cuthbert Street, and along Lancaster Walk. It was built in 1916, and is a trapezoidal shaped building in the Classical Revival style. It is a three-story, 21,346 square foot, brick building with stone entabulature and parapet. It houses administrative offices, a gymnasium, and drill hall. It was added to the National Register of Historic Places in 1991.