Westminster Abbey

Westminster Abbey is a large church located west of the Palace of Westminster in London. It is the site for coronations of the English monarchy, as well as burials and Royal weddings.

In 1661, during the coronation of King Charles II, he noticed his general George Monck speaking with a man holding an Apple of Eden, but had to bow his head to receive his crown from the Archbishop before he could look further.

Reference

 * Assassin's Creed: Project Legacy - Holidays: Chapter 1 - Ghosts of Christmas Past