A common problem for websites is how to present a wide range of information in an easy to use structure. A visual sitemap has many advantages, images and text can be used to support individual webpages and provide specific information for the visitor.
An additional benefit is the help provided to a search robot indexing a site. The more information provided, the better the search results. You may have looked at the Menu bar and not found what you are are seeking,
The xml website sitemap is considered the most important by Google and Bing. New pages indexed by Google will show higher in the results, just what you want for your pages. You need to create sitemap.