Guests arrive at the landmark Plaza Hotel on February 17, 2005 . EL-ad Properties has announced that it will close the 800 room landmark hotel and will re-open in 2006 after extensive renovations including turning the upper floors into luxury condominiums and installing high-end retail space on the street level. A 150 room hotel will remain on the West 58th St. side. (© Richard B. Levine)