The tourism of each destination is based on attractions that serve to attract clientele or tourists to come. Attractions can be natural or "man made", each of which has several functions, and they are: health function, political function, cultural - educational function, recreational - entertainment function, social function and economic function. Attractions, whether of natural attractiveness or "man made" attractiveness, form the nucleus of every tourist offer. Thus, museums are the core of the tourist offer of a destination. Of course, the emphasis on the function of the museum as a tourist attraction is given to the cultural - educational function. Museums are a very important component of modern tourism precisely because more and more tourists are looking for a cultural and uplifting destination, understanding new knowledge, gathering new information and experiencing local traditions in the full sense of the word. Museums as such are more represented among somewhat more mature tourists whose primary goal of traveling and visiting a destination is to visit the cultural resources of that destination. The functions of museums in tourism are described, which is very important to define so that they can be valorized in a quality way and finally used for tourist purposes. At the end of this final paper, emphasis is placed on comparing the quality and development of museums in a small area versus museums of the same activity in the metropolis and comparing two more museums of the same activity, but abroad to see the differentiation between these museums, their quality, offer, valorization. , utilization, use of ideas, innovations, etc.