7. Lost Mansions of Brooklyn

The lost Seamans Mansion in Brooklyn
Brooklyn Daily Eagle photographs, Brooklyn Public Library, Center for Brooklyn History

We love a good lost building here at Untapped New York. In the past, we’ve covered lost department stores, lost amusement parks, and lost structures of the World’s Fair. After recently covering the lost mansions of New York’s Hudson Valley, we’re diving into the archives to recover the lost mansions of all five boroughs, starting with the lost mansions of Brooklyn. While many of these forgotten homes were demolished nearly a hundred years ago, some of these extravagant single-family homes lasted well into the 20th and 21st centuries. There are still gorgeous mansions that you can see throughout the borough today, but here, we explore those that have been lost to time, from a pre-Revolution party house to a controversial failed landmark: READ THE FULL STORY!