Investigators believe they have identified an arsonist who attacked a Jewish community centre in Munich in 1970, killing seven people.
Harry St Clair Dean was eventually imprisoned in Nazi Germany for his actions.
A remarkably well-preserved motorcycle and identification tags were found alongside the bodies.
The opening follows years of controversy about what to do with the 17th-Century former inn, where the Nazi dictator was born.
During World War Two, whilst Norway was occupied by Nazi Germany, a group of Norwegian sailors set up a base on the Shetland Islands and began aiding their country’s resistance.
City officials want to build flats on the city centre site but others say it should be preserved as part of Germany's history.
The Wiener Holocaust Library exhibition examines how forced labour became central to the Nazi war economy.
Nazi Germany's plot to crash the British economy features in the Peaky Blinders film and in a new exhibition.
Mengele fled Europe after the war but for years there were rumours he spent time in Switzerland.