The Citadel of Besançon is a 17th-century fortress on Mount Saint-Etienne. It offers stunning views and hosts several museums, including one on World War II and natural history.

La Citadelle de Besançon is a historic fortress built in the 17th century, located on a hill overlooking the city. It is a UNESCO World Heritage site and features beautiful architecture, stunning views, and a heritage museum that showcases the area's history.

The Time Museum in Besancon showcases the rich history of local watchmaking. Located in a former palace, it offers scenic views of the city and interesting exhibits.

Zoo Citadel in Besançon is a small zoo located in a historic fortress. It features various animal species and beautiful views of the surrounding landscape.

Porte Noire is an ancient Roman triumphal arch built in AD 175 for Emperor Marcus Aurelius. Standing 16.5 meters high, it showcases scenes from Greek and Roman mythology and is surrounded by the remains of a Roman theater and aqueduct.