Arbon Castle The fortified late Roman fort Arbor Felix ("the happy tree") dates back to 250 AD, and the Romans had to abandon it again at the time of the …
Relatively well-preserved tower ruins, along the Schönenberger Ruinenweg. The Last ruins stand on a hilltop in the Swiss municipality of Kradolf-Schönenberg in the canton of Thurgau. The former tower castle …