This is an architectural master thesis with the chair of Urban Architecture. The project analysis the city of Nijmegen with a special focus on its topography. In the design part, a new urban plan is suggested for the project location. One of the buildings was chosen and the newly introduced function is a Museum that offers spatially different exhibition spaces. The Museum with the title "the 8th mountain" creates different platforms that offer living spaces on them and the facade to various plants and animals. The Project is focused on adding density to the museum with nature inclusive design. Spaces that are not used by humans was turned into living spaces for animals and plants.