The Roman ``Langmauer`` of Butzweiler is a reconstruction. The wall had an original length of 72 km, a thickness of 80 cm and a height of 2 meters. The original wall was built end of the 4C.
Since 1799, Boo's own parish has been. The parish church of St. Bartholomew was built according to plans by Johann Claudius of Lassaulx in 1837-39 and expanded in 1896. Since 1998, the parish has belonged to the new Deanery of Mayen-Mendig.
The variety of insects is overwhelming: at least 1000 beetle species and over 400 skin and double wing species. The large butterflies with 544 species were recorded almost completely, a third of which are on the Red List of Rhineland-Palatinate!