1973: The Tallest Building in the World

©Laurel Delaney 2011, "Photograph taken from car at a stoplight, looking straight up."

Willis Tower, Chicago, Illinois, United States

Top of the World: The Dubai Khalifa Launch

iStock/Thinkstock

Think what you may here but the Burj Dubai, now officially renamed Dubai Khalifa and considered the world's tallest building in the world, has finally opened for business. We first wrote about this building August 2, 2008.

The project has been rescued from near financial disaster. My concern for Dubai is that the country will eventually experience the same financial bubble or burst we just went through in the United States.

Enjoy it while you can. Read more here.

Additional resources:

Dubai's Mark of Dependence (WSJ)
Everything You Don't Know About the Burj Dubai, er, Khalifa
The Burj Dubai-Burj Khalifa name change: Better change those T-shirts and caps in the gift shop--and a whole lot more