11. Siam Paragon
Gross leasable area: 400,000 square meters (4.3 million sq ft)
Location: Bangkok, Thailand
Opened in 2005, with a construction cost of $450 million, Siam Paragon has several amenities, like the largest aquarium in Asia, a 25,000 square meter multiplex cinema and a 100,000 square meters parking with enough space for 4,000 cars. It is the favorite shopping place of rich Thai, as well as numerous tourists that visit the country.