Naqsh-e Jahan Square, Esfahan: 

Nasir al-Mulk Mosque, Shiraz: 

Azadi Tower, Tehran: 

Dizin: 

Amir Chakhmakh, Yazd: 

Persepolis: 

Blue Mosque: 

Ali al-Ridha: 

Rasht: 

Kerman: 

Ameri House: 

Kish: 

Tomb of Avicenna: 

Qom: 

Ramsar: 

Generally the best time to visit Iran is during the spring and autumn. There are ideal temperatures across most of Iran from March until May and then again from late September to early November. Meanwhile, winter is best avoided because temperatures can become very cold.