The Hacienda La Esperanza steam engine has been designated a National Historic Mechanical Engineering Landmark. The Hacienda is the biggest of its type in the northwest area of Puerto Rico. Today the entire property is owned by the Puerto Rico Conservation Trust (http://www.paralanaturaleza.org), which preserves and protects it, including some of the only coastal forest left in the region. The visitor center at La Esperanza is part of a carefully rehabilitated historical site that conserves the only sugar mill steam engine of its kind in existence, completely restored so you can see it in operation. For details, contact the Conservation Trust for more information.