New York State Armory , also known as "The Arsenal," is a historic National Guard armory

Armory (military)

An armory or armoury is a place where arms and ammunition are made, maintained and repaired, stored, issued to authorized users, or any combination of those...

 building located at Ogdensburg

Ogdensburg, New York

Ogdensburg is a city in St. Lawrence County, New York, United States. The population was 11,128 at the 2010 census. In the late 18th century, European-American settlers named the community after American land owner and developer Samuel Ogden....

 in St. Lawrence County, New York

St. Lawrence County, New York

St. Lawrence County is a county located in the U.S. state of New York. As of the 2010 census, the population was 111,944. The county seat is Canton. The county is named for the Saint Lawrence River, which in turn was named for the Catholic saint on whose Feast day the river was discovered by...

. It is a rectangular, two story structure built of ransom ashlar

Ashlar

Ashlar is prepared stone work of any type of stone. Masonry using such stones laid in parallel courses is known as ashlar masonry, whereas masonry using irregularly shaped stones is known as rubble masonry. Ashlar blocks are rectangular cuboid blocks that are masonry sculpted to have square edges...

 block with central pavilions projecting on its north and south elevations. The main facade features a central pavilion

Pavilion

In architecture a pavilion has two main meanings.-Free-standing structure:Pavilion may refer to a free-standing structure sited a short distance from a main residence, whose architecture makes it an object of pleasure. Large or small, there is usually a connection with relaxation and pleasure in...

 with a tower rising above the roofline and terminating in a corbeled and crenellated parapet

Parapet

A parapet is a wall-like barrier at the edge of a roof, terrace, balcony or other structure. Where extending above a roof, it may simply be the portion of an exterior wall that continues above the line of the roof surface, or may be a continuation of a vertical feature beneath the roof such as a...

. It was designed by noted Syracuse architect Horatio Nelson White

Horatio Nelson White

Horatio Nelson White was an American architect.He was one of New York State's most prominent architects from about 1865 to 1880. A resident of Syracuse, he designed many homes, armories, churches, and public buildings throughout sentralNew York State, included: The Hall of Languages at Syracuse...

.

The building ceased being used by the State militia in 1873 and used by the city of Ogdensburg into the 1960s. It was listed on the National Register of Historic Places

National Register of Historic Places

The National Register of Historic Places is the United States government's official list of districts, sites, buildings, structures, and objects deemed worthy of preservation...

in 1976.