If museums are on your list, you might want to check out the upcoming exhibitions at ChocoMuseo in Miraflores. Hotels.com travelers also say the area is artsy and has lots of nice beaches. It's also full of great shops and restaurants, so you can spend the afternoon having a wander. If you want to see more of the museums in Lima, you can easily walk to Sala Luis Miro Quesada Garland Museum.