Untitled #158 is an architectural structure of Aeneas Wilder in the landscape near the Colen Monastery in Kerniel, Limburg. This round construction with a beautiful 360 ° view is delineated by uniform vertical wooden slats. Walking around in this artwork refers to the religious and is reminiscent of walking around a monastery.

With this artwork, the artist wanted to ensure that visitors can focus their thoughts and emotions with a beautiful landscape as a background.