The themes menu is located to the right of the map.
It allows you to choose the content to be displayed on the map and to manage certain options related to exploration.

The Explore the places section allows displaying different types of points of interest.
According to the destination, you can display:

When a theme is selected, the corresponding points appear on the map and in the list of points of interest on the left.
For certain themes, such as Top50 or Wikipedia, you can use filters to refine the displayed locations.
Filters can be used to select:

The Marked Routes section allows you to display certain types of routes on the map.
According to the available options, you can display:

The Active travel section displays the currently selected trip for the destination.
From this section, you can notably:

➡️ See also: How to define an active trip?