Notable structures
Alhambra, Spain
Bastille, Place de la - Paris, France
Cathedral at Chartres, Frances
Dana-Thomas House,Springfield, Ill., United States
Empire State Building, New York, USA
Fallingwater, Pennsylvania, USA
Great Wall of China
Hoover Dam
IAC Building, New York City, USA
John Hancock Center, Chicago
Kremlin
Louisiana State Capitol
Machu Picchu, Peru
Notre Dame, France
Oculus of the Pantheon, Rome
Pentagon, The
The largest office building in the world, completed in just 16 months.