Seeburg Castle (Kreuzlingen)

In 1598, Jakob Atzenholz-Zollikofer von Tattenwiler from Constance built a small castle named Neuhorn, which later served as a summer residence for the abbots of the Augustinian monastery in Kreuzlingen. It burned down completely in 1633 and was restored in 1664 by Abbot Augustin I. Gimmi. It was a simple cubic building with a gabled roof and a square surrounding wall.

Since 1833, it housed the Thurgau Teacher Training College. The first director was the renowned educator Johann Jacob Wehrli (1790–1855), famous beyond national borders. After the dissolution of the monastery in 1848, the Seeburg fell to the Canton of Thurgau, which moved the college to the convent buildings of the former monastery in 1850 and sold the Seeburg in 1852. Gottfried Ferdinand Amman, the later owner, rebuilt it in 1870 in the Historicist style, giving it its current appearance as a castle. The plans were drawn up by Ernst Jung (1841–1912), an architect in Winterthur. Amman's son, August, designed the Seeburg park in the years 1894 to 1895. In the possession of the city of Kreuzlingen since 1958, the Seeburg was extensively renovated from 1982–1984 by the architectural firm Ernst Oberhänsli (responsible for monument preservation: Jürg Ganz). Until the lake infill in the 1960s, the Seeburg stood directly on the shore of Lake Constance.