Casa de la Vall is a historic house and the seat of the General Council of Andorra. Built in the 16th century, it is one of the most iconic landmarks in Andorra la Vella. The house features a beautiful stone facade and is a great example of Andorran architecture. Visitors can explore the interior of the building, which houses the parliament and various government offices. The Casa de la Vall is a must-visit for history and architecture enthusiasts.