5 Sights in Kreuzlingen, Switzerland (with Map and Images)

Kreuzlingen Abbey, in Kreuzlingen in Switzerland, on the border with Germany, was founded in about 1125 by Ulrich I of Dillingen, Bishop of Constance, as a house of Augustinian Canons. In 1848 the government of the Canton of Thurgau dissolved the monastery and took over its property. The former abbey church of Saint Ulrich and Saint Afra, decorated in the Baroque style, is noteworthy.

Wikipedia: Kreuzlingen Abbey (EN)

Schloss Brunnegg is located in Emmishofen, a district of Kreuzlingen. It is not to be confused with the much older Brunegg Castle in the canton of Aargau. Emmishofer Schloss used to be called Unterer Girsberg or Alt-Gyrsberg. Its predecessor building was built around 1300 and came into the possession of the Constance patrician family Blarer, originally from St. Gallen, in 1363.

Wikipedia: Brunegg (Unterer Girsberg) (DE), Website

Under the name Lake Constance Planetarium and observatory, the Bodensee Foundation Planetarium and Observatory and the private association Astronomical Association of Kreuzlingen have been operating on the naval section on the outskirts of Kreuzlingen since 1976 and a publicly accessible planetarium since 2002.

Wikipedia: Planetarium und Sternwarte Kreuzlingen (DE), Website

Eberberg Castle is a stately estate on the edge of Emmishofen, a district of Kreuzlingen. In the 16th century as Ober-Girsberg, it was first mentioned in the possession of Johann Nepomuk Sauter, Eberhard von Zeppelin and Friedrich Flick at various times.

Wikipedia: Schloss Ebersberg (Thurgau) (DE)

Girsberg or Mittel-Girsberg Castle is located in Emmishofen, an formerly independent municipality, since 1928 district of Kreuzlingen, the main town of the district of the same name of the Swiss canton of Thurgau.

Wikipedia: Schloss Girsberg (DE)