Barcelona, Spain. The diversity of architecture and art in this country makes my drool! The List: the Prado museum, La Alhambra (one of the greatest undertakings of Islamic art and architecture), Carranque Archaeological Park, Great Mosque Cordoba, and Gaudí's la Sagrada Familia, Casa Batllo, Cas Mila, and Park Guell.
Also on these boards
Beach Door Blue of Barcelona