According to a fictitious legend, the cave was discovered around 1536 by the miner Friedrich Baumann, to which the name of the cave is said to lead back. You can visit the Baumanns cave since the 16th century, one of the most famous visitors is Johann Wolfgang von Goethe. In 1688, the Brunswick Duke Rudolf August issued an ordinance to protect the Baumanns cave due to the destruction of stalactites and thus the cave became the first legally protected natural monument in Germany. The cave consists of several interconnected cavities, a special feature is the one-meter high luminous canyon formed by stalagmites. The largest room is the Goethe hall with around 2500 m², in which concerts also take place and plays are occasionally performed during the school holidays. There is also a branch office of the registry office.

In 2010, Cave Lighting made its first contact with the management of the Baumans cave show cave, thanks to the Harz cave researchers. In the same year, the first lighting tests were carried out in the show cave and an installation was even implemented in the crystal chamber of the neighboring Hermanns cave.

After about 6 years and two lighting tests, there was a change in the management of the show cave.

With the new management team, Mr. Schult and Mende, we visited the Dechen cave in 2016 and examined the system installed by Cave Lighting. This tour was very helpful, as the Baumanns cave managers were able to exchange ideas with the managing director of Dechen cave, Stefan Niggemann, and discovered completely new perspectives in the show cave business.