One of the world's most significant botanic and sculpture experiences, Frederik Meijer Gardens & Sculpture Park serves over 750,000 visitors annually. The 158-acre main campus features Michigan's largest tropical conservatory; one of the largest children's gardens in the country; arid and Victorian gardens with bronze sculptures by Degas and Rodin; a carnivorous plant house; outdoor gardens; and a 1900-seat outdoor amphitheater, featuring an eclectic mix of world-renowned musicians every summer. The internationally acclaimed Sculpture Park features a permanent collection including works by Oldenburg, Moore, Hepworth, Serra, Bourgeois, Ai Weiwei and Plensa, among others. Indoor galleries host changing sculpture exhibitions with recent exhibitions by Ai Weiwei, Picasso, Degas, di Suvero, Borofsky, Calder and Dine. In June 2015, the eightacre Richard & Helen DeVos Japanese Garden at Frederik Meijer Gardens & Sculpture Park opened. Created by renowned designer Hoichi Kurisu, the garden features sculpture by Anish Kapoor, Jenny Holzer and Guiseppe Penone, among others.