Behind the old orchard are three special, architectural garden houses. They are built from ecological building materials and specially adapted to the respective location. The Nature houses are heated by a wood-burning stove and have a modern dry toilet. The house takes its name from the willows between which it was built. Peter Grundmann's design is based on a single living space of six by six meters. The bedroom, kitchen and shower are housed in cubes, the entire rear wall of which is made of glass, extended on all sides of the house, so to speak. So you can daydream while cooking in the distance and have a beautiful view of the setting sun from your bed. While showering, you stand among the trees. When the sun shines, the translucent south-facing wall is transformed into a projection screen that shows a play of shadows from the surrounding trees.

This two-hectare site is located in the middle of the village, but it looks like a village within a village. The "Uckermärkische Seen" nature park begins here, which is a typical terminal moraine landscape with its gentle landscape, endless forests, meadows and lakes. One of the brightest lakes in the region is the Großer Kronsee, which is located on the outskirts of the village. It is 1.5 kilometers long, 30 meters deep and has its own spring. From the Nature house, it's just a five-minute walk to a small sandy beach from where you can dive into the crystal-clear water. There are so many lakes in the area that it is never too crowded here, even in high season. It is usually very quiet here, so quiet that your ears seem to open to catch a sound. At 11 p.m. the streetlights go out, and on moonless nights the sky is so black that you can see every star in the sky. In winter, tracks in the snow show that Rutenberg is also inhabited by other creatures at night. Deer, wild boar, hares, foxes, badgers and raccoons come close to the houses to look for something to eat.