Explorer Lloret de Mar

Castell de Lloret is the castle-style villa on the headland at the northern end of Lloret de Mar's main beach, built in 1935–1940 for the Girona biscuit maker Narcís Plaja to designs by the architect Isidre Bosch. Inside, three rooms hold a virtual-reality exhibition on the causes, effects and remedies of climate change, and a terrace bar looks over the sea.

Marimurtra Botanical Garden sits on cliffs above the sea at Blanes, on the Costa Brava. The German businessman Carl Faust began it in 1921, and his foundation still runs it. About 4 hectares are open to visitors, with some 3,000 plant species in three gardens, and a path of steps and cypresses leads down to the Linnaeus temple above the coves.