You can group your galleries into collections, which act as galleries of galleries. When you click a gallery thumbnail inside a collection, it opens that specific gallery. You can then navigate back to the main collection view to browse the others.

Menu

The Menu layout displays the first gallery by default and adds a header menu bar that your users can use to choose between the different galleries manually.

Bento

The Bento layout creates different boxes, one for each gallery inside the collection. You can click any card to open the related gallery.