2023
Jan 1
Sustainable Skyscrapers
Vertical forests and green building tech.
1411 days ago3 years 10 months 11 days
2010
Jan 4
Burj Khalifa
Tallest building in the world at 828m.
6156 days ago16 years 10 months 8 days
1998
Jan 1
Petronas Towers
Tallest in the world outside USA.
10542 days ago28 years 10 months 11 days
1973
Apr 4
World Trade Center
Iconic Twin Towers in New York.
19580 days ago53 years 7 months 8 days
1931
May 1
Empire State Building
Tallest in the world for 40 years.
34894 days ago95 years 6 months 11 days
1885
Jan 1
Home Insurance Building
World first skyscraper in Chicago.
51814 days ago141 years 10 months 11 days