Baltimore (locally) is the largest city in the U.S. state of Maryland, and the 26th-most populous city in the country.
Maryland is a state located in the Mid-Atlantic region of the United States, bordering Virginia, West Virginia, and Washington, D.C. to its south and west; Pennsylvania to its north; and Delaware to its east.
The National Register of Historic Places (NRHP) is the United States federal government's official list of districts, sites, buildings, structures, and objects deemed worthy of preservation.
A parapet is a barrier which is an extension of the wall at the edge of a roof, terrace, balcony, walkway or other structure.
The United States of America (USA), commonly referred to as the United States (U.S.) or America, is a federal republic composed of 50 states, a federal district, five major territories and various possessions.