6. Lighthouse Tower
The Lighthouse Tower, designed by architectural firm Atkins, was going to join the towers in DIFC with its 66 floors rising up 402 metres into the Dubai Skyline.

What made this tower with hotel so interesting was its emphasis on being eco-friendly.

The tower would rise as two separate towers, bridged from level 10, all the way up to approximately 300 meters above ground. The structure was to hold a number of skygardens.

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Three large 225 kW wind turbines, 29 meters in diameter, on the building's south facing side were going to generate electricity.

The building was also going to be clad in 4,000 solar panels to generate additional electricity.

It was estimated the tower would reduce its overall energy consumption by 65%, and its water consumption by 40% in comparison to an equivalent building.

There was even going to be an environmental visitor centre at the base of the towers.

However, 2009, the year of tower culling, claimed yet another well-intentioned victim.

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