Casa del Campo
Casa del Campo is Madrid
's largest park, roughly five times the size of New York's Central Park. The park is massive, and travelers could spend days exploring the forested areas, zoo, and amusement park. The eastern edge of the park hosts a number of walking and biking paths beside the Rio Manzanares. Once you've completed your trek, lay out a picnic on the massive grounds, or the nearby Cafe Del Rio's rooftop is a perfect spot to lounge with a cool drink and look out over the park.