The palatial penthouse that actress Kerry Washington once rented for nearly $70,000 is now selling for $22.5 million

Welcome to this majestic single-story airy mansion with 100-foot frontage on the Hudson River, a sprawling 6-bedroom, 7.5-bathroom penthouse featured in Architectural Digest for its decadent river and sunset views and sublime finishes. Wrapped in floor-to-ceiling windows, this special home is a paragon of urban design and modern luxury. Elevators and a private landing lead to an inviting foyer and 60 ft great room overlooking the Hudson River. The living room and dining room are separated by a through fireplace with a floor-to-ceiling surround. The huge eat-in kitchen features a huge island, custom cabinetry, marble countertops, stainless steel backsplash and fully integrated high-end appliances from Miele and Sub-Zero. Just off the kitchen is a corner media room with spectacular river views and a wet bar with a built-in wine refrigerator. The master suite offers elegant city views, custom California closets, a quiet living room that can be turned into an office, and two bathrooms with chic tile work, Dornbracht appliances and custom vanities. Both bathrooms have rain showers and one has a Zuma tub with window. Each of the other five bedrooms has ample storage space and a full bathroom en-suite. A storage room, a laundry room with a side-by-side washer and dryer, and a powder room with a slate gray stone floor and black marble countertop complete the home. One Riverside Park is a luxury condominium that offers residents world-class amenities and a quiet Lincoln Square address. The building features a full-service staff, resident lounges, game rooms, multi-function rooms and movie theaters, a Kidville indoor playground, a 10,000-square-foot fitness center and spa with a 75-foot pool, 38-foot climbing wall, basketball and squash courts, a state-of-the-art gym, saunas and steam rooms, private treatment rooms, a bowling alley and a golf simulator. One Riverside Park is across the street from Riverside Park South and close to the Lincoln Center for the Performing Arts as well as all the restaurants, bars, cafes and stores that line Broadway and Amsterdam and Columbus Avenues. The Time Warner Center, Columbus Circle and Central Park are also nearby. Pets are welcome.