The Amber Room or Yantarnaya Komnata
Created in Berlin, during 1716 it was transported to Saint Petersburg and from there it disappeared during the WWII. Currently there is a reconstructed version of The Amber Room at the Catherine Palace near Saint Petersburg.
Copy of Amber Room / Photo: Shutterstock
Crown Jewels of Ireland
They were stolen from the Dublin Castle in 1907 and since then they remain missing.
By Dublin Police (Life time: 1907) - Original publication: Dublin Metropolitan Police Immediate source: The journal.ie, Public Domain, Photo
Antwerp Diamond heist
More than $100 million worth of diamonds, gold and jewelry were stolen (which made it one of the largest heists) from the Antwerp World Diamond Centre between 15–16 February 2003. The diamonds were never found. The book “Flawless: Inside the Largest Diamond Heist in History“ was inspired by the incident.
Diamonds - an illustration photo / Photo: Shutterstock
Peking Man - Homo erectus pekinensis
The remains of Homo erectus pekinensis appx. 500 000 years old were lost during WWII in China 1941.
Copy of the Homo erectus pekinensis / Photo: Yan Li
The Just Judges from the Ghent Altarpiece
by Jan van Eyck. The panel disappeared on April 10, 1934 and was replaced with a copy. There is still no trace of the original piece of art.