The Dongan Oak was "a large white oak mentioned in 1685 in the patent of Governor Thomas Dongan [that] was cut down by Colonial soldiers and thrown across the road to impede the advance of the British army" during the Battle of Long Island. This monument, one of several Revolutionary War memorials found in Prospect Park, "commemorates the contribution of this important tree". It was dedicated in 1922, but the eagle on top has been stolen and replaced twice since then.
The longtime home of Monsignor James Kelly, who celebrated his 50th year with the parish in 2010: "Today I want to thank the Lord for the gift of survival . . . This survival has been a gift, not an accomplishment. It is no credit to me that I have received the gift of life, good health, and friendship — gratuitously given, willingly received."
According to the Greater Ridgewood Historical Society, this house, which now serves as a museum, dates back to 1709. The NYC Landmarks Preservation Commission, however, reports that, based on its architecture, the structure looks to have been built no earlier than the mid-18th century, and possibly as late as the first quarter of the 19th century, although the commission's report suggests it's possible that "parts of the foundation or stonework of the house exist from an earlier period of construction and that the house was enlarged, rebuilt, or remodeled." Regardless, much of the current building is actually considerably newer: the house was reconstructed in 1980-82 after being severely damaged by a fire in 1975. Prior to the fire, the building had been used by various 20th-century owners "as a scrap glass business and livery stable, a speakeasy, the office of a greenhouse company and a factory for spare parts for the Apollo space program".
Sitting in the house's backyard, enclosed by a white picket fence, is a large rock that was unearthed by city workers in 2000 at the direction of a local Queens historian. Some believe (though many disagree) that the rock is Arbitration Rock, a glacial boulder that was used in 1769, "along with a heap of stones and an oak tree, to mark the border between Kings [Brooklyn] and Queens Counties, ending a bitter boundary war that had festered for more than 100 years."