Zaha Hadid’s masterpiece, the Heydar Aliyev Center in Baku is a must-see modern architectural wonder in Azerbaijan. You simply cannot miss this building, which looks like cartoon mountains covered in snow. Designed by the Iraqi-born British architect Zaha Hadid, this masterpiece is full of flowing curves, wonky shapes, and futuristic windows, which fill a 619,000-square-foot space…