aerial view of cite de carcassonne, a medieval hilltop citadel in the french city of carcassonne, aude, occitanie, france.

above aerial ancient architecture aude autumn bastions building carcassone carcassonne castle chateau citadel cite city conical europe famous fort fortification fortified fortress france french gallic heritage hill hilltop historic landmark landscape languedoc medieval mountain occitanie old panoramic roman romanesque roofs roussillon scenic site stone top towers town travel unesco view walled world