At first, they thought it was just a piece of old farm equipment. But when they took a closer look, they realized they had something very special on their hands: a rare Iron Age chariot tire.

A 4-year-old child in Wisconsin died after a fall from a piece of farm equipment.

A 4-year-old child in Wisconsin died after a fall from a piece of farm equipment.

A 4-year-old child in Wisconsin died after a fall from a piece of farm equipment.