Opened in 1913, Grand Central Terminal is a world-famous landmark building with a magnificent 48-foot-high, 1,500-ton statuary group on top of the main facade. Designed by sculptor Jules-Felix Coutan, a 13-foot-wide Tiffany clock serves as the centerpiece.The figure above the clock is Mercury, with Hercules to the left and Minerva to the right.In the late 1990s, a historic restoration was performed on the terminal after which two cast-iron...