You can probably rattle off the names of top art museums and institutions in the country; however, how many art parks do you know located across America? Such outdoor galleries may have developed in response to the surge in large-scale works in the contemporary art world. Huge sculptural pieces have led to large, public spaces where visitors can fully experience the over-sized artworks. Art Parks: A Tour of America's Sculpture Parks and Gardens, a book by Francesca Cigola breaks down the art parks across the country. We've picked a few of our favorites for 10 Art Parks You Didn't Know Existed.