This Natural monument, unique in the Balcans, is located in Eastern Serbia, some 200 km from Belgrade and 2, 5 km from Majdanpek city center.
Rajko’ s Cave, through which flows the subterranean river Rajkova, consists of two levels : the dry one with very elaborate cave decorations, and the river one.
The total lenght of all explored routes is 2, 304 meters and 633 m is prepared for the visitors.
Cave decorations are of pure white crystal calcite, which glitters and reflects the light. Therefore the cave carries the name White queen.