Why was it built?

Description:
The structures are famous: the statues of Easter Island, the Statue of Liberty, the Eiffel Toer, the Great Wall of China and Gaudi's La Sagrada Familia. But what are the stories behind their construction? They are tales of mystery, generosity, celebration, fear, death and glorious, mad, never-ending passion. Why? Where? When? How? The answers to these questions take you deeper, beyond the familiar image, to more fully appreciate each structure and the human spirit that drove its construction.