A rare opportunity to own architect Walter Roberts' iconic Sundance home in Reston. This contemporary house received two awards-National Passive Solar Homes Award by Department of Housing and Urban Development (HUD) in 1979 and Award of Excellence by the Middle Atlantic Region of The American Institute of Architects (AIA) in 1983. The architect and his family lived here as the first owner. This house seamlessly blends nature, design, and modern comfort. This distinctive passive solar residence offers over 3,000 square feet of thoughtfully designed living space where expansive windows, and skylights connect inside to the outdoors, while beautiful wood beams and ceilings add warmth and character. A gently descending pathway leads from the detached two-car garage to the front entrance, revealing a tranquil woodland oasis rarely found in such a convenient location. Inside, the brick and hardwood floors flow throughout three finished levels, while walls of glass capture beautiful, wooded views in every season. The stunning great room addition features dramatic vaulted ceilings and access to a wraparound deck overlooking the woodland-an ideal space for entertaining, celebrations or simply enjoying the serenity of the natural surroundings. The primary suite offers its own fireplace, its newly upgraded bathroom with modern touch and is privately connected to a large deck overlooking the tranquil nature, where you may enjoy your morning coffee, afternoon tea or just unwind at day's end. The originally designed greenhouse on the top level has been renovated with new roofs and skylines facing south. Gardeners will appreciate sun-filled space for their favorite planting. Extensively updated with double-glazed Pella windows, Andersen sliding doors, Mitsubishi multi-zone heating and cooling systems, renovated bathrooms, newer skylights, and numerous recent appliance upgrades. All updates were made with the original architectural style intact while allowing future owners to add their own personal touch. The detached garage is complemented by a large room above, providing exceptional flexibility as a home office, studio, gym, creation room, hobby workshop or additional storage. Unbeatable Reston location-walk to Sunrise Valley Elementary, the W&OD Trail, and South Lakes Shopping Center, with quick access to Route 267 only two traffic lights away. A home like no other, this distinctive residence offers the perfect blend of privacy, natural beauty, and convenience while still feeling worlds away from the hustle and bustle. Current owners are passionately proud of the ownership and expect the future buyers to make it a significant one as their dream home.