Containing intricately carved concentric circles, the Towie Ball is one of the finest Neolithic stoneworks ever discovered; using cutting-edge imaging technology, experts investigate the purpose behind this 5,000-year-old black stone mystery.

Elaborately detailed from a single sheet of gold, the Mask of Agamemnon is one of the most iconic and controversial discoveries of Ancient Greece; experts investigate if this relic could prove the existence of a mythical king.