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1.
John Hancock Center (Chicago) - Willis/Sears Tower (Chicago)
2.
Solomon R. Guggenheim Museum (New York City) - Guggenheim Museum Bilbao (Bilbao)
3.
Sydney Opera House (Sydney) - Lotus Temple (Delhi)
4.
Empire State Building (New York City) - Chrysler Building (New York City)
5.
Walt Disney Concert Hall (Los Angeles) - Dancing House (Prague)
6.
Burj Khalifa (Dubai) - Jeddah Tower (Jeddah)
7.
30 St Mary Axe/The Gherkin (London) - London City Hall (London)
8.
White House (Washington D.C.) - United States Capitol (Washington D.C.)
9.
Louvre Pyramid (Paris) - Rock and Roll Hall of Fame (Cleveland)
10.
Shanghai World Financial Center (Shanghai) - Kingdom Centre (Riyadh)
11.
Arch de Triomphe (Paris) - Notre-Dame de Paris (Paris)
12.
Brasilia Cathedral (Brasilia) - National Congress of Brazil (Brasilia)
13.
United Nations Headquarters (New York City) - European Union Headquarters (Brussels)
14.
CN Tower (Toronto) - Tokyo Skytree (Tokyo)
15.
Gateway Arch (St. Louis) - MIT Chapel (Cambridge)