whose cityscapes combine rustic sustainability with futuristic design. Hydrogen balloons suspend Singapore’s residents over the rising sea. This space station–style city has an independent ...

Rotterdam, on the other hand, is defined by its future. After nearly being wiped ... space actually serves as a water retention space for the city of Rotterdam, helping to prevent flooding in ...

Today, Shanghai truly resembles a futuristic city, with nearly 200 skyscrapers ... show that will make you feel like you're in "2001: A Space Odyssey." It'll also take you to where many of ...