With more than 100 acres of gardens and undeveloped acres, the grounds here provide many pleasurable hours of strolling. Of special interest are the Perennial, Fragrance, and Medicinal gardens, the Daylily Collection, the Water Pavilion, and the Children's Garden. Lectures on everything from bugs to gardening in arid climates, workshops, and concerts are presented regularly. The popular Summer Concert Series attracts well-known musicians from Tony Bennett to Vampire Weekend. The pristine amphitheater seats approximately 3,000 people on its expansive lawn. The Botanic Gift Shop offers books, soaps, sculptures, and fine gifts.