Summer is here, which means that now is the perfect time to view great outdoor art. Sculpture gardens provide the museum experience without walls, giving art lovers the opportunity to see collections of large-scale works while also exploring acres of open land. From the legendary Storm King Art Center in upstate New York to the prairie landscape of Nathan Manilow Sculpture Park in Illinois, we compiled this handy guide to the best sculpture parks in America to help you plan your next art-fueled road trip.