Equal parts awesome and daunting, the Metropolitan Museum of Art ranks among the world’s best art museums, housing everything from Medieval and Expressionist masterpieces to an entire Egyptian temple. The Greek and Roman sculptures, African and Oceania exhibits, and Asian Wing are also pretty amazing. If you wake up and it’s raining, head to the Met (open seven days a week) and wander—or follow one of the itineraries on the museum’s website.