Area of Gaveznica-Kameni Vrh was legally protected on March 18th 1998 as the sixth geological monument in Croatia. It is a finding place of a semiprecious stone Agate and the only preserved fossil volcano in Croatia which represents a area of scientific, educational and touristic interest. The volcano was in its most active phase 22 million years ago.
In 1855 the Paulines monastery was turned into a penitentiary. Building of a new penitentiary was built before the WWI in 1914 in a shape of a star; at the time the popular and modern Irish prison model. Many notable people in the history of this region have served time in Lepoglava; Josip Broz, Moša Pijade and Rodoljub Čolaković being one of them.