Famous monuments impress by their gigantism and their remarkable architecture. But the most fascinating thing is beyond appearances: they are the mysteries that surround them… How were they built? For what purpose? How did the builders of the past manage to construct such monumental buildings without our modern technologies?

Episodes : 

– Aix La Chapelle

– Sagrada Familia

– Acropolis of Athens

– Pierrefonds Castle

– Neuschwanstein Castle

– Carcassonne