Palacio Cousiño is a historic mansion located in Santiago, Chile. Built in the late 19th century, it was designed by the French architect Eugène S. de la Croix for the wealthy Cousiño family, who were prominent in the mining industry. The palace showcases a blend of French and Italian architectural styles, featuring ornate interiors and beautiful gardens. The palace is notable for its lavish decorations, including intricate woodwork and stunning chandeliers. Today, Palacio Cousiño serves as a cultural heritage site, offering guided tours that allow visitors to explore its rich history and architectural significance.