Sari, Iran. Badab-e Surt; It comprises a range of stepped travertine terrace formations that has been created over thousands of years as flowing water from two mineral hot springs cooled and deposited carbonate minerals on the mountain side. http://irantravelpackages.com
Tabiat Bridge is the biggest pedestrian overpass built in Iran. The 270 meter bridge connects two public parks Taleghani park and Abo-atash park by spanning over Shahid Modarres, one of the main highways in northern Tehran. The word Tabiat means Nature in Persian language.
This is the Ultimate Guide to Backpacking Iran. All you need to know about travelling to this Persian nation including budget, must-sees, accommodation, culture, customs, transportation, visas, dangers and more. This is the only guide you'll need for travelling to Iran. http://www.goatsontheroad.com/ultimate-guide-backpacking-iran/
Robat-e Miandasht - The complex of MIANDASHT CARAVANSERAI is located on the Silk Road, 105 Km east to city of Shahrood, on the main road between Tehran, the Iranian capital, and Mashhad, the largest holly and tourist city in Iran - by HORIZON Flickr