57th St in New York that has listed ... She adds that the penthouse was originally two duplexes, but the team decided it made more sense as one ultraluxury four-floor unit instead.

The four-story “quadplex” of Steinway Tower overlooks Central Park and offers 360-degree views of New York City.

With interiors designed by Studio Sofield, the suggested floor plans features an “entertaining ... Its design is meant to evoke New York’s Gilded Age of the late 19th century, when the city ...

Rosie O'Donnell has finally managed to find a buyer for her New York City penthouse after two years ... spiral staircase leads from the 33rd floor to the 32nd floor, where two more bedrooms ...

The mansion-size quadplex penthouse on the 80th through 83rd floors has multiple terraces and views across the city ...

Towering over Billionaires’ Row in Manhattan is this one-of-a-kind penthouse, which just might be the most expensive listing ...

A newly listed penthouse along Manhattan’s Billionaires’ Row made a grand entrance to the local residential market on Thursday.

The penthouse at the top of the supertall skyscraper at 111 W. 57th St. in New York City has hit the market for $110 million.

The penthouse at the very top of supertall skyscraper 111 West 57th Street has hit the market for $110 million. Taking up ...

With interiors designed by Studio Sofield, the suggested floor plans features an “entertaining ... as well as 360-degree views of New York City. Steinway Tower, or 111 West 57th Street, was ...

Listed for $110 million, moreover, the grand unit is now the priciest for sale in New York City ... The vacant condo’s suggested floor plan was designed by Studio Sofield, but the $110 million ...