The landscape safety measures embrace the creation of nature reserves, such as a result of the chook island in the Altmühlsee or the shallow water areas of the Großer Brombachsee. Nearly half of the lake space in the northwest is designated as a nature reserve, of which 125 hectares are occupied by the shallow water and island zone bird sanctuary in the Altmühlsee, which is made up of fairly a few individual islands. There are numerous archaeological websites in the municipality of Pleinfeld, most of that are designated as archaeological monuments. The following Catholic buildings are nonetheless situated within the districts: the Laurentius Church in Allmannsdorf, the St. Otto Church in Mischelbach, the St. Nicholas Church in Dorsbrunn, the Teutonic Order Church of St. Vitus in St. Veit, the parish church of the Assumption of Mary in Walting, the parish church of the Visitation of the Virgin Mary in Stirn, the local chapel in Hohenweiler, the Josefskirche in Ramsberg and the Johann Baptist Church in Walkerszell. Sandsee Castle towers above the Mischelbach district, a number of kilometers northeast of Pleinfeld. The Brombachsee Star Buddies operate an observatory above the Brombachsee. Moreover, above the market sq. at the highest point in the city center are the castle sq. and the church sq., which form a spatial unit. The center of the historic town middle is the market sq., which lies on the intersection of a quantity of fundamental streets.