Keep of Ehrenberg Castle – On Castles, Ruins and Palaces!

Flak Towers of Vienna

Adolf Hitler’s modern castles: These 20th century fortifications were designed to withstand a direct hit of an aerial bomb.
Hohentwiel

How to minimize costs while building the biggest castle in Germany? Count Ulrich of Württemberg had an idea that made Hohentwiel an impregnable fortress!
Strasbourg

Unbelievable: Strasbourg was one of the filthiest places in the 15th century. Nowadays it’s a world heritage site. Take a look and see what has changed.