from underground by heat related to seismic activity. Instead, Saratoga's "spouters" spring up due to the pressure of pockets of carbonic gas trapped beneath deep layers of shale. The famous mineral springs arise from fissures in the Saratoga Fault, which runs from Whitehall to Albany. The carbonated water that vents in springs and geysers is rich in minerals and salts. Two of the most visited springs today are Geyser Island Spouter and Orenda Spring, along Geyser Creek. Geyser Island Spouter, which sends a narrow plume of water into the air, first emerged in the early 1900s. Since that time, it has deposited minerals that grow a tufa deposit at the rate of per year. Orenda Spring has created a massive tufa dome, which continues to fossilize leaves and other debris as it grows. Springs in operation Hathorne Orenda Hayes Charlie Geyser Island State Seal Polaris Lincoln (Baths) Shonts Tallulah Karista Venues and museums The park hosts theater and other events. The Saratoga Performing Arts Center, located on the state park grounds, has been the summer home of the Philadelphia Orchestra and New York City Ballet since 1966. The SPAC Amphitheater is high, sits in a natural, curved bowl bordered by large pine trees. The amphitheater has seating for 5,100 and the lawn can hold an additional 25,000 people. The park contains the Spa Little Theater, which hosts plays throughout the year. The Spa Little Theater is located on the north side of the park office. The park is also home to the National Museum of Dance and Hall of Fame, the Saratoga Automobile Museum, the Lincoln Mineral Baths and Spa, and the Gideon Putnam Resort & Spa. Recreation Saratoga Spa State Park offers a variety of recreational opportunities, some of which require small admission fees. several pools are available at the park. The "Peerless Pool" is a complex of three pools, including a children's pool, water slides, and a zero depth entry Olympic-sized swimming pool. The "Victoria Pool" is a smaller pool located near the golf course and surrounded by covered arcades. It was built when the original park buildings were constructed. The bath house was on the north end and the golf house was on the south end. Today the former golf house has been converted to a restaurant. The park also has tennis courts, two golf courses, picnic areas, horseshoe pits, softball fields, and volleyball courts. Several picnic