The emperor's palaces The Hofburg, left, was the imperial seat of the Habsburg dynasty and the Austrian emperors for some 600 years. This wing of the palace opens onto Michaelerplatz in Vienna.

View Emperor Francis Joseph I of Austria 1830-1916, portrait of the young emperor in uniform with medals by Anonymous 19 on artnet. Browse upcoming and past auction lots by Anonymous 19.

Political leaders and European royalty paid their last respects to Otto Habsburg, the eldest son of the last Austro-Hungarian emperor, who was buried at Vienna's Imperial Crypt on Saturday.

The Austrian Catholic Church will officially begin a year of honor Jan. 11 to remember the founder of Austria's Catholic Habsburg Empire, Maximilian I, to mark the 500th anniversary of his death.