The ABQ Biopark Botanic Garden is a 36-acre (15 ha) botanical garden located at 2601 Central Avenue NW in Albuquerque, New Mexico, beside the Rio Grande. The garden showcases plants of the Southwest and other arid climates, and includes a 10,000-square-foot (930 m²) conservatory, formal themed gardens, and a demonstration garden. One wing of the glass conservatory houses colorful plants native to Mediterranean climates zones of Spain, Portugal, Turkey, South Africa, Australia, Chile and California. A second wing features xeric plants from North American deserts. Paths behind the conservatories allow visitors to experience New Mexico Habitats, including desert, grasslands, lava flows and sandhills. Medicinal plants are highlighted in El Jardin de la Curandera. Children and adults alike love to visit the miniature trains and villages of Railroad Hill and the gigantic vegetables and insects of the Children's Fantasy Garden. From mid-May through September, the PNM Butterfly Pavilion offers visitors an intimate experience with hundreds of colorful North American butterflies. The Heritage Farm represents farm life along the Rio Grande in the 1920s and 1930s and Colores offers delights in every season with blossoms, seed pods and interesting foliage.