Heritage Canada has announced this year’s list of the 10 most endangered heritage places in the country and Landsowne Park has been recognized by this national institution as under threat. This list draws attention to sites either threatened with demolition or already lost and the heritage structures at Lansdowne—the Aberdeen Pavilion National Historic Site and the Horticulture Building—are cited as endangered under the current plans by the City of Ottawa and OSEG. Read more about the 2010 Top Ten Endangered Places and Worst Losses Lists and the backgrounder with details about the park.