Related Midwest recently unveiled its proposal for 400 Lake Shore Drive, two towers set 150-ft apart designed by architect David Childs with fellow architect Scott Duncan and structural engineer William Baker of Skidmore Owings & Merrill (SOM).

One World Trade Center’s design is filled with twists.

Thanks to a structural-steel hat truss, the 10-story tower of the 240-ft-tall New United States Courthouse, Los Angeles, appears to balance on its core, hovering over the ground as if it were a sculpture on a pedestal.