Enjoy a complete tour in barcelona and visit the popular park guell and the famous cathedral of the sagrada familia in barcelona the park gell originated in 1900 when count eusebi gell bought a tree covered hillside then outside barcelona and hired gaud to create a miniature city of houses for the wealthy in landscaped grounds la sagrada familia is one of gauds most famous works in barcelona its a giant basilica that has been under construction since 1882 and its not expected to be