Dolmens are ancient megalithic structures, horizontally-fixed massive stone slabs that are connected with the religious beliefs of the ancients. Researchers say that in Bulgaria, the highest concentration of such structures is in the mountains..
Sakar is a mountain in Southeastern Bulgaria, close to the border with Turkey. It is the lowest mountain and one of the most sparsely populated regions in the country. There have been claims that Sakar used to be a cradle of an ancient..