How big is 4.4 arpents?

One of the official residences of the British monarch, Windsor Castle measures about 15 arpents. It is the largest inhabited castle in the world and is also the oldest in continuous use, having been occupied since it was built by William the Conqueror about 900 years ago.

Croke Park, the Gaelic games stadium of Dublin, hosts hurling and Gaelic football matches in a 19 arpents stadium. The Park offers rooftop tours, where fans can walk along the 44-meters-high walkway.

Buckingham Palace, the official residence of the British monarch, contains about 22 arpents of total floor space. The palace was first inhabited by Queen Victoria in 1831, although after the death of her husband in 1861, the Queen endeavored to spend as little time there as public opinion would allow.

Alcatraz Island measures 26 arpents. It is known a part of the Golden Gate National Recreation Area, and has historically served as a lighthouse, fort, military prison, and — most famously — a federal prison.

King Shaka International Airport includes a main passenger terminal, with a total area of 30.10 arpents. The airport's single, main runway stretches 3,700 m in length.

Ellis Island, home of the Ellis Island Immigration Station, is 32.40 arpents in total area. Nine-tenths of the island were artificially created after the New York-New Jersey borders had already been defined, leading to a sovereignty dispute which was settled by the US Supreme Court in 1998.

The Pentagon, the world's largest office building, contains a total floor area of 40.30 arpents. Built during World War II, the designers compensated for the steel rations then in effect by using 310,000 cu. m of concrete in the construction efforts.

Per National Hockey League Official Rules, a hockey rink should measure 60.96 m long by 25.908 m wide with a corner arc radius of 8.5344 m, for a total area of about 0.4428989750 arpents. Ice hockey is believed to have developed from field hockey after players began holding games on ice rinks, which had been traditionally used for the sport of curling.

The Citadelle of Quebec, containing Canada's oldest military buildings measures about 4.40 arpents in total area. The fortress sits on a 90-meter cliffside, overlooking the St. Lawrence River.

The largest stadium in New Zealand, Eden Park in Auckland measures about 43.80 arpents over its total grounds. It is primarily a rugby and cricket stadium. The Park offers rooftop tours, where fans can walk along the 39-meters-high roof of the stands.

Manchester Cathedral includes a total interior area of 0.36150 arpents between the Nave, Chapel, Library, Chapter House, and Rectory. The height of the Cathedral's bell tower is 41.1 m.

Grand Central station, the largest train station in the world by platform count, measures 60 arpents in total area. The large flag which was suspended from the concourse ceiling following the September 11th 2001 terrorist attacks measures about 0.02 arpents.

The United States Bullion Depository, commonly referred to by the metonym "Fort Knox" (in spite of the fact that the Depository is not located on the Fort proper), measures 32.0 m (105 ft) by 36.9 m (121 ft), for a total area of about 0.3450 arpents. The Depository is most famous for housing the largest portion of the national gold reserve, but has also temporarily housed the original US Declaration of Independence, an original copy of the US Constitution, and other important documents, kept there for safe keeping during World War II.

Sitting atop the 115 m (377 ft) tall Mount Saint Alban at the corner of Massachusetts and Wisconsin Avenues, Washington National Cathedral sits on a landscaped, 67 arpents plot.

The grounds of United States Capitol, at the center of Washington DC's quadrants, consists of about seventeen buildings on a 67 arpents plot. While the Capitol Building is the central feature, other buildings include the Supreme Court Buildings and the Library of Congress Buildings, as well as several monuments and sculptures.