Don't post this many if you don't want to, lol. I just got really happy with it.

2000s
1. Park Tower - Chicago
2. Capital Tower - Singapore
3. 2 International Plaza - Hong Kong

1990s
1. Messeturm - Frankfurt
2. Promenade II - Atlanta
3. Tokyo City Hall - Tokyo

1980s
1. One Atlantic Center - Atlanta
2. Williams Tower - Houston
3. Bank Of China Tower - Hong Kong

1970s
1. Westin Peachtree Plaza - Atlanta
2. Sears Tower - Chicago
3. Aon Center - Chicago


1960s
1. Marina Towers - Chicago
2. John Hancock Tower - Chicago


1950s
United Nations - New York City

1940s
Altino Arantes - Sao Paulo

1930s
1. Empire State Building - New York City
2. American International Building - New York City
3. Lincoln Building - New York City

1920s
1. Tribune Tower - Chicago
2. Jewelers Building - Chicago

1910s
Woolworth Building - New York City

1900s
Metlife Tower - New York City

Haha, I guess the 40s was a sucky decade.

1970's
-Sears Tower, Chicago
-Citigroup Tower, NYC
-Water Tower Place, Chicago
-Transamerica Pyramid, San Fran
-Seagram Building, NYC (?)
-Commerce Court West, Toronto

1980's
-OUB Centre, Singapore
-Bank of America, Seattle
-Bank of China Tower, Hong Kong
-Scotia Plaza, Toronto


1990's
-Petronas Towers, Kuala Lumpur
-Jin mao, Shanghai
-CITIC Plaza, Guangzhou
-Shun Hing Square, Shenzhen
-Burj Al Arab, Dubai
-The Centre, Hong Kong
-Baiyoke Tower, Bangkok

2000+
-2IFC, Hong Kong
-Taipei 101, Taipei
-Emirates Towers, Dubai
-Q1, Gold Coast City
-Eureka Tower, Melbourne
-Nina Tower, Hong Kong

70s: Sears, Transamerica Pyramid, Citicorp Center, WTC
80s: OUB Centre, Rialto Towers, Fountain Place
90s: Petronas, UOB Plaza, Emirates Towers, Carnegie Hall Tower
00s: Q1, 30 St Mary Axe, Eureka Tower

2000+
2 ifc (Hong Kong)
The Tower (Dubai)
30 St Mary Axe (London)

90s
Petronas Towers (Kuala Lumpur)
Bank of China Tower (Hong Kong)
The Center (Hong Kong)

80s
Bank of America Tower (Seattle)
Lippo Centre (Hong Kong)
HSBC Building (Hong Kong)

70s
Transamerica Pyramid (San Francisco)
John Hancock Tower (Boston)
Sears Tower (Chicago)

60s
John Hancock Center (Chicago)
Lake Point Tower (Chicago)
Marina City (Chicago)

50s
Bank of China Building (Hong Kong)
Banco do Brasil Building (Sao Paulo)
Seagram Building (New York)