Several unique historic properties are currently on the market, highlighting their architectural significance and cultural heritage. The Adena Mansion in Ohio, designed by Benjamin Latrobe, reflects Georgian style and is notable for its symmetry and classical features, showcasing the legacy of one of America's first architects. In Indiana County, a castle-themed estate, Chateau de Lions, is listed for $1.2 million, offering over 9,000 square feet of living space and a unique Gothic architectural style. Meanwhile, the summer home of Civil War General Davis Tillson in Rockland, Maine, is on the market for $660,000, recognized for its Gothic Revival architecture and historical importance to the community. Additionally, The Van Dolah House in Illinois, a Victorian estate known as 'The Castle,' is up for auction, showcasing its rare architectural style and meticulous restoration. However, some developments like the Imperial Char House and Lake Pointe Plaza in Sugar Land face financial hurdles, delaying their completion.