West

This episode heads to the west of Britain.

Marden Henge: The communal sweat lodges and feasting remains that illuminate the lost rituals of Stonehenge.

Durotriges: A glimpse into the bizarre animal sacrifice rituals offered to their gods by a mysterious Celtic tribe of the first century BC.

Trellech: An enormous lost Welsh city is discovered seven centuries after it disappeared from historical record.

Kent's Cavern: A team swaps trowels for pneumatic drills in a search for the hidden entrance of the site where Britain's earliest human remains have been found.

Jersey: Archaeologists are fighting against mother nature to find the evidence of a Stone Age hunter-gatherer campsite.

Staffordshire Hoard: Conservators painstakingly reassemble the elaborate weaponry of Anglo-Saxon warriors previously not known about.