Lubeck was an important Hanseatic town. The imposing and very decorative Holstentorwas built in 1477. Behind it are the Salzspeicher warehouses dating from the 16th and 17th century where the salt from Leneburg was stored. To the North, Burgtor is an excellent example of a medieval fortification with a trefoil ogival arch. It was built in the 15th century.