The museum embarked on a $69 million expansion project in 2009, which was originally slated to be completed in October 2013. Grimshaw Architects, along with the engineering firm of Ammann & Whitney, developed plans to add an additional of exhibition, education and office space as well as eight new artist studios, thereby doubling the museum’s size to , as it will take over the entire New York City Building. The ice skating rink, which had occupied the southern half of the building for six decades, was relocated to a new facility in the northeastern section of Flushing Meadows–Corona Park. The expanded museum reopened in November 2013 with a new entrance at Grand Central Parkway.