The world is packed with beautiful beaches but none are in a weirder place than Playa de Gulpiyuri, the sandy spot right in the middle of a field on Spain's northern coast.
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A tiny beach in Llanes that could almost have been designed by a surrealist artist, it features 50 metres of sand backed by majestic crags of limestone.
Playa de Gulpiyuri lies more than 100 metres from the sea shore and is no lake beach or illusion: a tunnel beneath the rocks channels water from the Cantabrian Sea into a cove.
Timid bathers can swim with confidence, knowing there's absolutely no risk of being swept out to sea.
The strange but beautiful beach features in Lonely Planet's Secret Marvels of the World book, a compilation of 360 jaw-dropping weird and wonderful places the crowds don't know about.
Explore more natural wonders and man-made oddities from the book, available from the Lonely Planet shop priced at £19.99, below...