One of some pictures of the facade in more or less detail. In the top one can see "Apollo im Greifenwagen" (Apollo in a chariot pulled by griffons), by Christian Friedrich Tieck.
<a href="//commons.wikimedia.org/wiki/User:Dosseman" title="User:Dosseman">Dosseman</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>