Seize this once-in-a-lifetime opportunity to create a truly mesmerizing 4 to 5 bedroom penthouse-like masterpiece with a large corner terrace and sweeping panoramas from 4 exposures! Perched high on Riverside Towers, West End Avenue's oldest premier prewar co-op, two extraordinary homes may be easily combined into the grand and glamorous 9 room family home you have dreamed about! The breathtaking huge corner living room has spectacular city vistas and a gorgeous big terrace that is perfect for entertaining and relaxing. Depending on your design needs, there can be an enormous corner dining room/family room, 4 to 5 big bedrooms -- 3 of which are corner bedrooms, an eat-in kitchen, and even a spacious den/office. The final layout will have a sprawling and elegant flow with perfect proportions, every room sun-drenched with amazing city or river views, 3 bathrooms, tremendous closets, hardwood floors, through-the-wall air-conditioning, new windows, and everything your heart desires. All in a magnificent building located on the prime northwest corner of West 72nd Street and West End Avenue, with 24 hr doormen, a resident manager, porters/handymen, an exquisite planted roof deck, children's playroom, meeting room, laundry, WIFI, and 2 enormous private basement storage rooms are included in the sale, as well! Riverside Towers is conveniently located 1 block to Riverside Park with New York's best dog run, 3 blocks to Central Park, just steps to the finest schools, culture, dining, transportation, and shopping including Fairway and Trader Joe's. This is the rare family trophy home you have been searching for!