Some more salt

Wooden railings

Spruce, polished by hundreds of hands

Gradierbau Saline Bad Dürkheim

Dripping for your lungs

Reconstructed Roman Mars Temple, Martberg, Mosella

Hike with castles

Strategic Railroad Embankment

Never used for trains, build between 1904 and 1916

Now a walking and cycling path

Tag des offenen Denkmals / Open Monumenten Dag - Dombauhütte Köln