The remains of the castle can be visited
CastleNeuental-Bischhausen
Bischhausen Castle

Das historische Gebäude: Die Wasserburg Bischhausen+
Geschichte von Bischhausen+
Bischhausen was first mentioned in a document in 1160 as Bisopeshusen. The place was the residence of Wernher I von Bischofshausen, the founder of the noble family von Löwenstein.
Source: Wikipedia · Licence: CC BY-SA 4.0 · Image: http://www.wehrbauten.de/thread.php?threadid=1367
This description draws on the facts documented in the linked Wikipedia article; Wikipedia content is licensed under CC BY-SA 4.0. Wording and editing: Mobile History.
Location: 51.0111, 9.2060