The 10 best beaches in Portugal Via Rough Guides Benagil beach, Portugal For many travellers, Portugal is synonymous with images of golden sun-baked beaches. And with a generous 1700 kilometres of coastline, there’s enough sand for everyone
Fingal’s Cave, Inner Hebrides, Scotland. "Fingal's Cave is a sea cave on the uninhabited island of Staffa, in the Inner Hebrides of Scotland, part of a National Nature Reserve owned by the National Trust for Scotland" via Wikipedia.
Benagil – Algarve, There are numerous caves and grottoes along the Southern coast, most are only accessible by boat. So if you are looking for a secluded beach spot in a mysterious cave then this is the place for you.