CN Tower

The World's tallest building.

http://www.cntower.ca/portal/

Cool US Towers

Compare Towers

http://skyscraperpage.com/diagrams/?C2

Loads Lab

Loads impact structures.

http://www.pbs.org/wgbh/buildingbig/lab/loads.html

Rotating Tower in Dubai

Creative!

http://news.bbc.co.uk/2/hi/7472722.stm

Sears Tower

Height: 1707 feet

Location: Chicago

Built: 1974

http://skyscraperpage.com/cities/?buildingID=5

Suspension Bridge

Forces

http://www.pbs.org/wgbh/buildingbig/bridge/susp_forces.html

Tallest Tower in the World

What are the forces that impact a tower?

http://www.inhabitat.com/2010/01/04/burj-dubai-opens/