The Benagil Caves, located on the Algarve coast, are one of the most impressive natural formations in Portugal ... including Benagil Beach, Carvoeiro, Portimão, and Albufeira.

Benagil Sea Cave, West Algarve, Portugal. "Those wanting to see it at its most deserted should aim to get there in the early hours where they can also watch the sunrise pour into and illuminate ...