Curvy Castle on the Umpachene, in New Marlborough

What a property. Circular towers, serpentine walls, arched windows and doors throughout, an indoor pool pavilion, a greenhouse atrium, a soapstone wood stove, an art nouveau primary bath, a turreted meditation room — all on 14 acres along the Umpachene River, just past New Marlborough village. The architecture is the whole story here and there's plenty to work with.

Half a mile beyond New Marlborough village, the road curves and 293 New Marlborough Sandisfield Road comes into view. Built in 1989 on 14 acres along the Umpachene River, the house is organized around curves: circular towers anchor the structure, walls sweep and bend, and arched windows and doors repeat throughout, inside and out.

The main level flows through a grand foyer into an open kitchen, living, and dining sequence anchored by a Scandinavian soapstone wood stove on one end and a marble wood-burning fireplace on the other. A sunny breakfast room off the kitchen leads into a greenhouse atrium and from there into a fully heated indoor pool pavilion. Upstairs, the primary suite has a private balcony, a sitting room, two walk-in closets, and a bath with art nouveau-inspired cabinetry and marble countertops. A turreted room nearby is listed as a meditation room, though it would serve equally well as a reading room, a nursery, or simply a place to sit — looks out over the grounds. Two more bedrooms, a guest bath, and laundry complete the second floor, with two bonus rooms on the third.

The lower level adds another 1,500 square feet of finished space with a private exterior entrance, two full baths, and a sauna positioned conveniently off the pool. Cedar closets appear throughout the house, which also has central vacuum, radiant heat, and an attached two-car garage. The property borders conservation land held by the Berkshire County Land Trust and the Commonwealth of Massachusetts.

293 New Marlborough Sandisfield Road, Great Barrington (MA) is listed at $1,725,000, offered by Vashti Poor and Lance Vermeulen at William Raveis Berkshire.