Discover the fascinating treasures of the Habsburgs in the oldest part of the Hofburg Palace – the Swiss Wing. See the most precious jewels – among them one of the largest emeralds in the world – that testify to the former power of the Habsburg dynasty. Other highlights are the treasure of the Order of the Golden Fleece as well the collections of 15th-century Burgundy and the cradle of the King of Rome (Napoleon II). Admire the charming jewellery of Hapsburg empresses and princesses and parts of the original jewellery of Empress Elisabeth. Discover legendary treasures such as the Holy Lance from the 8th century, the largest cut emerald in the world, the world's largest agate bowl – known as the Holy Grail – or the horn of a unicorn.