9 E 88th St

Twenty-six feet wide, six stories tall, and set on one of Manhattan's most protected blocks, 9 East 88th Street is a rare Beaux-Arts mansion just off Fifth Avenue, with the Guggenheim nearby and Central Park at the end of the block. Built in 1902 by James R. Turner and William G. Killian, its interiors were later reimagined by John Russell Pope, architect of the Jefferson Memorial and National Gallery of Art. Behind a rose-brick facade with limestone and marble detailing, the home opens to a dramatic reception hall with herringbone floors, a carved stone fireplace, and a sweeping wrought-iron staircase. The parlor floor features a grand formal salon and an exceptional mahogany-paneled d