The Old New Synagogue (Staronová synagoga) situated in Josefov, Prague, is Europe's oldest active synagogue. It is also the oldest surviving medieval synagogue of twin-nave design. Completed in 1270 in gothic style, it was one of Prague's first gothic buildings.
An unusual feature found in the nave of this synagogue is a large red flag near the west pillar. In the centre of the flag is a Star of David and in the centre of the star is a hat in the style typically worn by Jews of the 15th century. Both the hat and star are stitched in gold. Also stitched in gold is the text of Shema Yisrael. Ferdinand III, Holy Roman Emperor awarded the Jewish community their own banner in recognition for their services in the defence of Prague during the Thirty Years War. The banner now on display is a modern reproduction.
It is said that the body of Golem (created by Rabbi Judah Loew ben Bezalel) lies in the attic where the genizah of Prague's community is kept. A legend is told of a Nazi agent during World War II broaching the genizah, but who perished instead. In the event, the Gestapo apparently did not enter the attic during the war, and the building was spared during the Nazis' destruction of synagogues. The lowest three meters of the stairs leading to the attic from the outside have been removed and the attic is not open to the general public.References:
The Petersberg Citadel is one of the largest extant early-modern citadels in Europe and covers the whole north-western part of the Erfurt city centre. It was built after 1665 on Petersberg hill and was in military use until 1963. It dates from a time when Erfurt was ruled by the Electors of Mainz and is a unique example of the European style of fortress construction. Beneath the citadel is an underground maze of passageways that can be visited on guided tours organised by Erfurt Tourist Office.
The citadel was originally built on the site of a medieval Benedictine Monastery and the earliest parts of the complex date from the 12th century. Erfurt has also been ruled by Sweden, Prussia, Napoleon, the German Empire, the Nazis, and post-World War II Soviet occupying forces, and it was part of the German Democratic Republic (East Germany). All of these regimes used Petersberg Citadel and had an influence on its development. The baroque fortress was in military use until 1963. Since German reunification in 1990, the citadel has undergone significant restoration and it is now open to the public as a historic site.