Sydney Opera House
Year Built
1958
Location
New South Wales, Australia
Architect
Jørn Oberg Utzon and Ove Arup
5 Things about it
- The Opera House was opened by Queen Elizabeth II
- 6223 sq. meters of glass were used
- 350 km of tension cable was laid for the project
- The estimate of the project was $7 million
- The final cost of the Opera House was $102 million
Burj Khalifa
Year Built
2004-2010
Location
Dubai
Architect
Adrian Smith, William Baker, Marshall Strabala, George Efstathiou
5 Things about it
- It's 828 meters tall
- It's the tallest building in the world
- It has the longest single running elevator
- It took 110,000 tons of concrete
- Burj Khalifa is designed to resemble the Hymenocallis flower