The XIXème century finishing and the first decades of the XXème century turns to rise to Mont de Marsan several buildings in stone, to the roofings made of slates and mansarded, often imposing by their measurements and the rich decoration of their facades and balconies, as the military Circle (become the City hall), the Planted hotel, the buildings of the Commercial Credit of France, of the present Crédit Lyonnais and other houses of the Dominique streets of Gourgues, of the Old Castle and Victor Hugo.
