Head to the
Naples Underground (Napoli Sotterranea)
for a guided tour of the ancient underground tunnels. Learn about the city's fascinating history and see the remains of Greek and Roman structures. Afterward, visit the
Sansevero Chapel (Museo Cappella Sansevero)
, known for its impressive sculptures and the famous Veiled Christ. End your afternoon with a visit to the
Castel Nuovo (Maschio Angioino)
, a medieval castle with stunning views of the city.