Prominently situated on a coveted corner lot along the prestigious Swiss Ave. A distinguished estate—1 of only 5 designated Dallas Historical Landmarks. Stands as a testament to early 20th-century grandeur & architectural brilliance. Designed in 1916 by renowned Hal Thomson, the residence marries the historic elegance that marked Mr. Thomson's attention to detail with contemporary luxury. The main house with a grand great room with Venetian plaster walls & sunroom over looking a secret garden. Elegant fml. dining rm has original chandeliers & sconces, 4 spacious bedrooms, 4 full baths, 2 half baths & library. Interior is adorned with soaring ceilings, oak hardwoods, dentate ceiling crown molding, handcrafted fireplaces & many steel casement windows letting in natural light, all culminating elegance & sophistication. Gourmet kitchen with 2 sinks, 2 dw, Wolf range with double ovens, microwave, warming drawer, quartzite counters, hidden sect desk, walk-in pantry, glass-front cabinets with lighting, ice maker, large & mini refrig & more. Primary suite is a private sanctuary. Bath features heated floors, luxury duo shower with rain & sauna features & heated tub. Sonos system serves many rooms & primary suite has separate sound for the shower. Huge media rm. equipped with mini fridge, microwave & theater equip. An elevator services the 1st & 2nd floor. Exterior is equally captivating with extensive landscaping, side Loggia patio, grand front walkway lit by tree-mounted spotlights, & a matching chicken coop providing fresh eggs daily. Backyard oasis has sparkling pool, hot tub, garden beds, lighting & an approx. 800-sq. ft. carriage guest house with the 1916 telephone & additional space not in the main sq. ft. Dog shower in mudroom & outdoor shower are adjacent to the pool area. This exceptional estate embodies the perfect blend of historical significance and modern comfort, offering a rare opportunity to own a piece of Dallas's rich architectural heritage!