The Virginia B. Fairbanks Art & Nature Park: 100 Acres, also referred to as the 100 Acres or Fairbanks Park, is a public interactive art park located on the Newfields (Indianapolis Museum of Art) campus in Indianapolis, Indiana, United States. Opened in 2010, the 100-acre (40 ha) park is among the largest of its kind in the U.S., including an inaugural collection of eight site-specific art installations by national and international artists. Other features include walking paths, natural landscaping, and the Ruth Lilly Visitors Pavilion. Admission to the park is free and open from dusk to dawn.