Towers highest in the world:

The record is held by: 1. Burj Dubai (Dubai Tower)
The location: Dubai

high: 512 F (807 in calculating when its spire)
2.Taipei 101
The location: Taipe, Taiwan
high: 508 F

3. Petronas twin towers
Location: Kuala Lumpur, Malaysia
high: 452 F

4. Sears Tower
Location: Illinois, Chicago, USA
high: 443 F