The Gaston Mansion—also known as Hacienda Santa Rosalia or the Gaston Ancestral House—is a beautifully preserved two-story ancestral home built in the 1930s by sugar baron José M. Gaston on his 120-hectare hacienda in Manapla, Negros Occidental. Situated amidst endless sugarcane fields, the mansion features elegant French‑Creole furnishings adapted to…