The real story
Sculptor Frédéric Auguste Bartholdi designed the statue and Gustave Eiffel engineered the iron frame inside. Her skin is copper only about 2.4 millimetres thick, roughly two pennies stacked, hammered into shape by hand. She crossed the Atlantic in hundreds of pieces packed in crates, was reassembled on Bedloe's Island, and was dedicated in October 1886.
Rain and salt air slowly oxidised the copper, and by around 1906 she was green all over. Congress set aside money to paint her, and the plan caused an outcry in the newspapers: experts pointed out that the patina was a protective layer, not damage. Only the inside was painted. The green coat still shields the copper underneath today.