Aqua is an 82-story mixed-use residential skyscraper under construction in the Lakeshore East development in downtown Chicago. The name “Aqua” is in keeping with the nautical theme most of the buildings in the Lakeshore East development have: The Tides, The Shoreham, The Regatta, etc. It is currently topped-out at 819 ft (250 m), and will include six levels of parking below ground. The building’s eight-story, 140,000 sq ft (13,000 m2) base will be topped by a 82,550 sq ft (7,669 m2) terrace with gardens, gazebos, pools, hot tubs, a walking/running track and fire pit. Each floor will cover approximately 16,000 sq ft (1,500 m2). Of course construction technologies are advancing extremely fast. Lets see top ten strange and unique structures of the world which have either been approved or are in the final stages of approval. some have already been partially constructed.