One of the largest potential office buildings in New York City has long been in the works on the site of the Hotel Pennsylvania, at 401 Seventh Avenue, with renderings for a soaring supertall first released last decade [...] the latest on Vornado’s newest vision for the site, which would place Facebook within a massive 2.8-million-square-foot tower designed by Rafael Vinoly, dubbed “Penn15” in the brochure.1

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New architectural renderings for Facebook’s offices at 15 Penn Plaza have an absurd name, but the real joke is that the company has already committed to leasing another building at One Madison Avenue.

Ask anyone who has ever been to middle school, an invitation to join the exclusive “Pen15” club isn’t exactly a compliment. Nobody told Vornado Realty Trust about the phallic joke, apparently — or maybe they did. Recently, the firm released renderings for Facebook’s possible 1,400-foot-high supertall skyscraper in Midtown at 15 Penn Plaza, which the company is calling “Penn15.”

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