This is La Pedrera or 'Casa Mila' built by Gaudi between 1906 and 1910. The facade evokes the motion of the waves. The following two pictures are also works of Gaudi.

We took a trolley car up to the top of Tibidabo and got some great shots over Barcelona from there.

A little blurry, but this is the layout of seafood options for dinner. We had an excellent meal!

Dessert!

This is a picture from a local market.