Stahlbeton in Germany, a guide

Atlantikwall

Along the German Bight

Information to be added later

Fortifications

Information to be added later

Geographical overview

Guide-Germany

Airfields

You can still find some interesting airfields in Germany:

Fliegerhorst Stade
Flugplatz Nordholz
Seefliegerhorst Weddewarden
Fliegerhorst Braunschweig-Waggum
Fliegerhorst Delmenhorst-Adelheide
Seefliegerhorst Zwischenahn
Flugplatz Varel-Friedrichsfeld
Fliegerhorst Wittmundhafen
Flugplatz Brockzetel
Flugplatz Plantlünne

Telephone exchange network

Different kind of bunkers for this purpose were build all over Germany:

Festungs-Kabelnetz