This is the Neandertal Museum just outside of Düsseldorf. It is down the street from where the first Neandertal discovery was made.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/10574125@N04">Jacob Enos</a>
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/10574125@N04/2393166443/">Neandertal Museum</a>