Other historic houses in the park, listed by year of construction, include Boelson Cottage (1678–84), The Lilacs (c. 1711), Letitia Street House (c. 1713), Ridgeland Mansion (1719), Belmont Mansion (1745), The Cliffs (1753; ruins since a fire in 1986), Woodford Mansion (1756), Hatfield House (1760), Randolph House (c. 1767; renamed "Laurel Hill Mansion" in 1976), Strawberry Mansion (c. 1783–89), The Solitude (1784–85; located within the zoo), Sweetbriar Mansion (1797), Ormiston Mansion (1798), Lemon Hill Mansion (1800), Chamounix Mansion (1802), Rockland Mansion (c. 1810), and the Ohio House which was built for the Centennial Exposition of 1876.