Baku, Azerbaijan

Baku is the capital and the largest city Azerbaijan. It is commercial hub of Azerbaijan laying on the coastline along the Caspian Sea on the southern shore of Absheron Peninsula.
One of the peculiarities of Baku is that it is a low-lying city thus it is located 28 meters below the sea level. This fact makes it the lowest lying national capital in the world and also the largest city in the world located below sea level.
It’s famed for its medieval walled old city, which contains the Palace of the Shirvanshahs, a vast royal complex, and the iconic stone Maiden Tower.  The Inner City of Baku, along with the Shirvanshakh’s Palace and Maiden Tower, were inscribed as a UNESCO World Heritage Site in 2000 y.
Contemporary landmarks of the city include the Zaha Hadid–designed Heydar Aliyev Center, and the Flame Towers, 3 pointed skyscrapers covered with LED screens.