 It is located on a 38 acres ( 0 @.@ 15 km2 ) hill @-@ top campus in Northeast Baltimore bordered by 33rd Street , the Alameda , and Loch Raven Boulevard . The school 's main building is a National Historic Landmark . According to the Maryland Historical Society , " The gothic structure , aptly nicknamed ' the Castle on the Hill , ' sits atop the highest point within the city limits . With a singular tower that stands over 200 feet high , the building and campus hold scenic views of the surrounding region . " 
