Lime was already burnt by the Romans 2000 years ago. For the Eifel farmers, lime burning was an important and necessary secondary income in the 19th and beginning of the 20th century.
The local museum in the center of Zemmer contains interesting objects such as basic commodity and curiosities of different eras. All objects were compiled in painstaking work by the local association Fidei. It offers an insight into 'the good old times'.
The nature house "A Wiewesch" in Manternach was inaugurated in 2004 and offers visitors the opportunity to approach nature in the form of educational activities, thematic exhibitions as well as didactic promenades in the heart of the nature reserve "Manternacher Fiels".