Sao Joao Baptista's fort, Berlenga Grande Island, Portugal, Europe

portugal europe historical site coastal landscape turquoise waters rocky formations summer travel tourism architecture marine environment sea view exploration hiking outdoor activities scenic beauty cultural heritage nature cliffs sky adventure island getaway unesco heritage small boats clear skies fortress ocean picturesque coastal fortification nautical marine life vibrant colors natural park vacation boating relaxation wilderness historical landmark scenic view vibrant landscape coastal erosion bridges tranquility historical architecture travel destination geography outdoor exploration