An Architectural Masterpiece on Chelsea’s Most Storied Block A rare opportunity to own a landmark townhouse on one of New York’s most beautiful and sought-after streets — Cushman Row on the historic Seminary Block in West Chelsea. This 21-foot-wide, 6,000-square-foot masterpiece at 416 West 20th Street offers more than 1,400 square feet of private gardens and terraces, an extraordinary fusion of...