The Amber Room was designed in a baroque style by German sculptor Andreas Schlüter. Originally installed at Charlottenburg Palace for Prussian King Frederick William I, in 1716 this incredible work of art was gifted to Russian King Peter I to cement the Prussian/Russian alliance against Sweden.
RUSSIA : The "Amber Room" in the Catherine Palace, St.Petersburg,Russia,
The Amber Room, Catherine Palace, Russia consisted of thousands of panels of Baltic Amber set with diamonds and other presious gems backed with gold. Lost during WW2 and to this day have never been found