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Germany Travel Guides
Martin recommends these travel guides
For Additional Information:
Externsteine megalithic site
Aachen, Cathedral of Aix-la-Chapelle
- https://en.m.wikipedia.org/wiki/Aachen_Cathedral
- https://whc.unesco.org/en/list/3
- http://www.sacred-destinations.com/germany/aachen-cathedral
Speyer, Cathedral of the Assumption and St Stephen
Murrhardt, Stadtkirche
Burg Teck, Cave of Sybillenloch
Ettal, Ettal Abbey
Altötting, Shrine of Our Lady of Altötting