In 1978, they were designated as protected historic landmarks.
In contrast, Samariterstraße, the only station that retains its original appearance, is now a protected landmark.
It was constructed between 1959 and 1961 and is a protected architectural landmark.
His most famous work is the new synagogue in Hamburg, which became a protected landmark.
The building has been a protected landmark since 1993.
Though registered as a protected landmark, the tower was - and still is - in crumbling disrepair.
The entrance building is a protected landmark.
The church is now a protected landmark and a memento of the past, reminding the times when coal mining in Karviná was far more extensive.
It can't be torn down, however, because it's a protected historic landmark.
The building is a protected historic landmark listed on the Austrian cultural property list.