Milad tower at night
The Milad tower, built in 2007, is the 6th tallest tower in the world at 435 meters (1427 feet). Its a great place to photograph the city of Tehran from, especially at night, and has a revolving restaurant at the top.
Other shots of the city and the tower can be seen here: http://goo.gl/cBbHqm
TehranIranMilad tower6th tallest in world