Stock Photo: The first rays of sun after sunrise reach the Portland Head Light, built in 1791, which protects mariners entering Casco Bay. The lighthouse is located in Fort Williams Park, Cape Elizabeth, Maine, USA.

Stock Photo: 1566-819328 The first rays of sun after sunrise reach the Portland Head Light, built in 1791, which protects mariners entering Casco Bay. The lighthouse is located in Fort Williams Park, Cape Elizabeth, Maine, USA.