There are many Roman rock tombs around the villages of Gündoğan, Üçbölük, Hacılarobası and Çavuşlar on the Safranbolu-Kastamonu highway. 4 of the most important of them are in Hacılarobası village and 5 of them are in Üçbölük village. The area where the rock tombs of Hacılarobası village are located is a 1st degree protected area.