Descend into a whole other world at Grotta dello Smeraldo. There's something fascinating to see at almost every turn in this underground landscape.
You're spoiled for sightseeing choice in Amalfi. Grotta dello Smeraldo is a good place to begin here, but there are many other worthwhile attractions to enjoy. Amalfi Cathedral, Villa Rufolo, and Church of Santa Maria Assunta are near the natural underground attraction and will round out your day nicely.