oodlawn Cemetery is one of the largest cemeteries in New York City and is a designated National Historic Landmark. A rural cemetery located in the northern New York City borough of The Bronx it opened in 1863 in what was then southern Westchester County in an area that was later annexed to New York City in 1874. The Cemetery covers more than 400 acres (160 ha) and is the resting place for more than 300000 people. It is also the site of the "Annie Bliss Titanic Memorial" dedicated to those who perished in the 1912 maritime disaster. Built on rolling hills its tree-lined roads lead to some unique memorials some designed by famous American architects McKim Mead White John Russell Pope James Gamble Rogers Cass Gilbert Carrre and Hastings Sir Edwin Lutyens Beatrix Jones Farrand and John LaFarge. The cemetery contains seven Commonwealth war graves - six British and Canadian servicemen of World War I and an airman of the Royal Canadian Air Force of World War II