To be precise, it is the petrified remains of the solidified molten interior, a volcanic neck of a large stratovolcano that probably became extinct two or so million years ago, like other similar hills in north-central Europe.

The most important owner was the baroness Katharina Elisabeth von Wechsler, who married Galler and who was known as Gallerin.

In the 17th century the border with the Ottoman Empire was sometimes only 20 to 25 km away from the castle and the area was troubled by conflicts with the Turks and Hungarians.

The castle was a safe place for the people nearby, sometimes offering refuge inside its walls for a few thousand.

The castle is owned by the Princely Family of Liechtenstein, who live in a house in the town of Riegersburg.

Sixteen of the rooms show the history of Riegersburg Castle and nine deal with witches and sorcerers.