The rich and diverse history of Maastricht can be see in every aspect of the city. It is visible in the local scenery, in 'must-sees' such as the historic Helpoort, the City Hall, and in the many old churches located across the city. It can also be observed in the different museums, such as the Maastricht Museum of Natural History, Museumkelder Derlon, and the Sint Servaas treasury. Lovers of art and antiques can indulge themselves at the Bonnefanten Museum and the numerous antique shops and art galleries in the city.