towleroad.com — With an endorsement from the Chicago City Planning Commission last week, Santiago Calatrava's 2,000 ft. "Chicago Spire" has come one step closer to reality.The tower will sit on Lake Shore Drive while each floor of it spins. When built it will be the largest tower in North America.
May 7, 2007 View in Crawl 4
thezeppelin62May 7, 2007Submitter
More info- <a class="user" href="http://en.wikipedia.org/wiki/Chicago_Spire">http://en.wikipedia.org/wiki/Chicago_Spire</a>