The Napoleon Oak was formerly the largest oak in Poland and one of the largest in Europe. It was a monumental tree with single-stemmed, hollow trunk. Its girth was 1.3 meter and its height 10.425 meters, with a total height of 28 meters and a volume of about 130 m³. The age of the tree was estimated at 600–700 years. It was set on fire by vandals and collapsed in May 2010.