The 100 year old Shore Hotel at Coney Island is now a pile of dust. However, the Shore Theater has been landmarked (photo above from this year's Mermaid Parade).
Why one and not the other? Maybe to create the illusion that Coney Island isn't quickly disappearing? Goodbye Coney.
2007 Shore Hotel, Save Coney Island
2010 Shore Hotel rubble, Amusing the Zillion