On a rainy afternoon in Naples, one of the best things to do is to visit the National Archaeological Museum. This museum is home to an extensive collection of artifacts from Pompeii, Herculaneum, and other ancient Roman sites. You can explore the fascinating history of the region and marvel at the well-preserved mosaics, sculptures, and frescoes. The museum also houses the Farnese collection, which includes famous sculptures like the Farnese Hercules and the Farnese Bull. Spend your afternoon immersing yourself in the rich cultural heritage of Naples.