Home to over 40 international companies, this cluster of glass-and-steel office monoliths on Al Maryah Island is the heart of Abu Dhabi's new financial centre. Also cradling the posh Galleria Mall and a couple of five-star hotels, it sits just off the Al Zahiyah district and offers striking views of the city skyline from the waterfront promenade. Various other feats of engineering also vie for attention, including the Cleveland Clinic with its catwalk podium, and a suspension bridge.