The world's largest bell is also the world's most silent: it has never rung once. Commissioned in the 1730s, the bell was damaged when it was still in its cast. It weighs more than 200 tons and is 20 feet high. The bas-reliefs on the outside show Tsar Alexei Mikhailovich and Tsarina Anna Ivanovna.
Kremlin, Moscow, 103073, Russia