Strangest Things - Season 2

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.

The shattered skull of a 19th century railway worker is now one of the most astonishing objects in the history of medical science; experts explore this traumatic injury to reveal how it changed the field of neuroscience.

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.

Minnesota's Science Museum contains a strange, 1930s steampunk-looking machine designed to measure a person's intelligence; using cutting-edge tech, experts bring this bizarre contraption to life and examine the truth behind it's controversial claims.

An ancient tablet discovered on the remote reaches of Easter Island is etched in a mysterious glyph system that has yet to be deciphered; experts use cutting-edge tech to determine if this wooden relic could be the key to a lost civilization.

A stone sphere, a hook, and five fragments of wood are the only objects ever discovered inside the Great Pyramid of Giza; experts investigate if they can explain the mysteries behind the only surviving Wonder of the Ancient World.

In 1953, a team of archaeologists uncover a bizarre, plastered human skull in the ancient city of Jericho; experts investigate the mysterious purpose and identity behind this 9,000-year-old clay-covered artifact.

Discovered in the ruins of the ancient city of Ur, the Standard of Ur is a mysterious wooden box adorned with an elaborate mosaic. It continues to mystify archaeologists today; experts explore the meaning behind its intricate and enigmatic images.

The Cuming Museum in South London contains a disturbing tattered hat made of brown felt and decorated with more than 80 human teeth; using the latest imaging technology, experts investigate to uncover the macabre origins of this mysterious Victorian-era cap.

A minuscule metal sphere containing two microscopic holes could be the smallest murder weapon in history; experts explore how this tiny object is linked to one of the most bizarre true crime cases of the 20th century.