The Moonlight Musicals Amphitheater is a 930-seat amphitheater opened in 2006. Garden Grove is home to two stage theaters, the Gem Theater and the Festival Amphitheater. The park received renovations and a 20,000-seat outdoor amphitheater. The Waterplace Park amphitheater and riverwalks line the river's banks through downtown. The park has an amphitheater, known as the Water Stage. Erie's waterfront includes the Burger King Amphitheater and surrounding parkland, which hosts numerous festivals. The plan proposed constructing a 15,000-seat performance amphitheater, and a water park. It has an amphitheater, butterfly garden, discovery barn and a recreation center. The Rapides Symphony holds an annual fall Pops concert in the amphitheater. The Paladium is an outdoor amphitheater located at Carowinds. Lighting pylons surround the sloping 5,000-seat amphitheater. The Tomb of the Unknowns is part of the Arlington Memorial Amphitheater. Construction of a 2,000-seat amphitheater began in February 1952. The "bowl" refers to the shape of the concave hillside the amphitheater is carved into.