Sacred Relics (Topkapı Palace)
The various relics of Muhammad, his followers, and other items purportedly associated with Muhammad were brought to Topkapı Palace in Istanbul, where they remain to this day.
Czapski Palace
The Czapski Palace (, ), also called the Krasiński, Sieniawski or Raczyński Palace, is a substantial palace in the center of Warsaw, at 5 Krakowskie Przedmieście. It is considered one of the most distinguished examples of rococo architecture in Poland's capital.