This Guell Park in Barcelona, Spain it is an incredible park full of the coolest mosaics. According to Rick Steves this park was originally designed as a sort of Gated Community. The project flopped as an upscale housing area and is now a fabulous park.
National Museum in Barcelona. You will find here remarkable art works from the Catalonian Romanesque and Gothic, a fine collection of mural paintings and wood-carvings, and an exposition of Spanish and European Baroque art Barcelona Catalonia