The 315-foot iron-braced wood tower was erected for the 1853 New York World's Fair. Steam elevators accessed three observation platforms, affording panoramic views. Despite its popularity, the tower failed to pay off its debts and burned down in 1856.Latting Observatory near 6th. Avenue, between 42nd and 43rd Street, New Yorkm Wiliam Naugle, Seiber & Shearman Robertson, 1853, Adapted from Wikimedia Commons:https://commons.wikimedia.org/wiki/File:Latting_Observatory.png