Most Ruta del Vino  tours take in the exceptional Museo de Colchagua, country’s largest nonpublic museum, which displays Cardoén’s collections of paleontological specimens, pre-Columbian art, and historical materials, including a remarkable assortment of antique carriages and farm machinery. Its professional organization matches or surpasses that of Santiago’s Museo Chileno de Arte Precolombino .
Open 10 a.m.–7 p.m. daily except Monday, the Museo de Colchagua (Errázuriz 145, tel. 072/821050, www.museocolchagua.cl ) closes an hour earlier the rest of the year. Admission costs US$5.50 per person, but only US$3.50 for seniors and US$2 for children. Ruta del Vino tours usually include the admission price.