The Gundestrup Cauldron, 2nd-1st century BC. The original La Tene site was discovered in the mid-19th century at Lake Neuchatel, Switzerland. The Cauldron is La Tene, but was found in Gundestrup, Denmark in a bog. Housed in the National Museum of Denmark.

Waterloo helmet, 150-50 BC. Found in the River Thames, London. Housed in the British Museum.

La Tene helmet, 1st century BC. Found in the Rhine River, near Mainz. Housed in the Germanisches Nationalmuseum, Nürnberg.

Battersea Shield, 1st century BC/1st century AD.Found in the River Thames, London. Housed in the British Museum. 30.6 inches long.

Epona. Top carving from Hesse, Germany; bottom from Auvergne, France

• A horse goddess but also associated with fertility• Attested in art in Europe and

in myth in the British Isles• Welsh Rhiannon• Irish Macha (Emain

Macha/Armagh)

• Popular with Roman troops, who may have spread the image

The Uffington Horse. Chalk carving from Wiltshire, England (375 ft. long)