The special reason for building the Kaiserhalle in this form as a self-supporting domed hall was the need for the builder Wilhelm Bell to provide evidence that local building materials such as lime, lava sand and trass can also be used for extreme loads. At a time before the turn of the century, when cement had started its triumphal march and the mining of the tram in the Brohl valley continued to decline, such proof seemed necessary.
A former magnificent estate in the middle of the nature park and UNESCO Global Geopark Vulkaneifel. How about a time travel to the Romans and volcanoes?