The Getty Center in Los Angeles is an astounding place to spend a day marveling at world-class art and relaxing in beautifully manicured gardens. Take the tram up to this lavish postmodern complex, which houses a sprawling museum featuring masterpieces by the likes of Van Gogh, Monet, and Cezanne. You can also enjoy superb views of the city from the Cactus Garden, and savor a delicious contemporary menu at the center's restaurant. You can visit the complex for free, though there is a parking fee. To skip the lines, book a museum tour to delve deeper into the art with the help of a knowledgeable guide. – Tripadvisor