The Eustis Estate Museum, situated in Milton, Massachusetts, is a captivating historical family estate. At its core stands the mansion house once belonging to William Ellery Channing Eustis. This remarkable Late Victorian stone building, constructed in 1878, showcases the eclectic architectural brilliance of the renowned designer William Ralph Emerson. Occupying 110 acres of uplands in a rural-residential area of Milton, the estate abuts the Blue Hills Reservation at its rear, with eighty acres protected by conservation easements. The mansion serves as a testament to the opulence and sophistication of its era, offering a glimpse into the life of the Eustis family and the architectural finesse of Emerson during the late 19th century.