Varna gold treasure from Bulgaria, considered the oldest processed gold in the world dating back to the time of the Chalcolithic (Aeneolithic, Copper Age) Varna Culture, usually dated to 4400-4100 BC. [1024 x 769]

Varna gold treasure from Bulgaria, considered the oldest processed gold in the world dating back to the time of the Chalcolithic (Aeneolithic, Copper Age) Varna Culture, usually dated to 4400-4100 BC. [1024 x 769]

Roman mosaic showing god Bacchus sitting on the back of a leopard. Object is dated back to 3rd-4th century CE and is located in the remains of imperial palace at Felix Romuliana (current Gamzigrad, eastern Serbia). [708×800]

Roman mosaic showing god Bacchus sitting on the back of a leopard. Object is dated back to 3rd-4th century CE and is located in the remains of imperial palace at Felix Romuliana (current Gamzigrad, eastern Serbia). [708×800]

Bronze statue of a young man. The figure shown is in the middle of a prayer – hence its name “Praying Boy”. The object was found in Rhodes, and is dated to the 3rd century BCE. [606×900]

Bronze statue of a young man. The figure shown is in the middle of a prayer – hence its name “Praying Boy”. The object was found in Rhodes, and is dated to the 3rd century BCE. [606×900]

Unique Roman site in the world – memorial complex at Magura hill with two imperial mausoleums of Emperor Galerius and his mother Romula, near imperial palace Felix Romuliana – Gamzigrad, in eastern Serbia. Dated to III century CE. [960×639]

Unique Roman site in the world – memorial complex at Magura hill with two imperial mausoleums of Emperor Galerius and his mother Romula, near imperial palace Felix Romuliana – Gamzigrad, in eastern Serbia. Dated to III century CE. [960×639]