The valley is a ravine Zelenjak Sutla with high cliffs up to 200 m. It is a monument to Croatian anthem (anthem a unique monument in the world), the ruins Cesargrad (here's peasant rebellion began, and Cesargrad is the first city burned in the peasant revolt), Chapel Our Lady of the Snows Risvica, flora Pontic regions associated with the remnants of warm Pontic sea. Thousands of tourists every year admire the scenery that inspired Anthony Mihanovića here to write the Croatian national anthem.