Reservations required. Tour of the Woolworth Building lobby, closed to the public for more than a decade and now open again. The tour includes a detailed look at the building’s unmatched polychromatic terra-cotta exterior, and an in-depth exploration of the lobby and its wealth of ornament, including hidden corners and staircases — plus a special visit to the mezzanine level for an up-close view of its extraordinary mosaic ceiling.

Visit the publicly accessible interiors of half a dozen Art Deco marvels: the Daily News Building, the Chrysler Building, the Chanin Building, the General Electric Building, the Waldorf-Astoria, and the RCA (then GE, and soon to be COMCAST) Building at Rockefeller Center.