There are also some Picturesque French towns on the France Spain border which you can take your road trip there. For example Collioure or Carcassonne . anyway, the most recommended places and towns on France Spain border could be Andorra, Lanuza, Saint-Jean-Pied-de-Port, Panticosa, Saint-Savin, Cauterets, Arreau, Benasque, Querforadat, Casteller de N’hug, Barrera and the Portbou.