Masuleh, Gilan
Unesco heritage stair village in Gilan province, where each roof is the courtyard of the house above it.
Cloud forest northwest of Tehran
For example the Dodangeh national forest (Beech Forest Road). The road from Shahrud to Gorgan is also famously beautiful.
Chalus road
Chalus road, also called road 59 or Kandovan road, is one of the most beautiful roads in Iran. It’s also very busy as it connects Tehran to Chalus on the Caspian sea.
Nushabad
Visit the underground city of Nushabad. It’s impressively vast and has four levels. Other things to visit in Nushabad are the Qanats which are fascinating irrigation systems.