One of Wilhelm II’s costliest whimsies as Kaiser and All Highest was to have the regalia of the Holy Roman Empire exactly duplicated in authentic jewels and precious metals.

Italy is auctioning off a vast 16th-century castle built for Charles V, Holy Roman Emperor, in an attempt to raise millions of euros to help pay off its ballooning debt. The palatial complex near ...

Find the emperor’s heart. Holy Roman Emperor Otto the Great certainly wasn’t, in the purest medical sense, heartless. But now he is. The search is on to find his missing heart, though it isn ...