เมืองที่มีชื่อเสียงด้านสถาปัตยกรรม ที่ไม่ควรพลาด คือ Barcelona Located in northeastern Spain, Barcelona is one of the country’s top travel destinations because it offers everything tourists look for in a European city from historic architecture include the Casa Batllo and the famous Sagrada Familia church. Both of these extraordinary structures feature combinations of fascinating designs, shapes and colors.