With the efforts of Iranian engineers, the world's first arched glass suspension bridge has been built and put into operation on the rocky cliffs of the city of Hir in Ardabil province. Ardebil province, with 4 suspension bridges, has been…

Ali Sadr Cave The Ali-Sadr Cave is the world's largest water cave which attracts thousands of visitors every year. It is located in Ali Sadr Kabudarahang County about 100 kilometers north of Hamadan. This historical cave which dates back to…

Iranian garden museums have a worldwide reputation, some of which are listed on UNESCO’s World Heritage List. Tehran's most famous garden museums include:   Saadabad Palace Garden Museum With an area of 1 million and 100,000 square meters, this garden…