Are there any requirements for US citizens travelling to Iran?

Iranian visa for US passport holders is subject to particular regulations. In a way that US passport holders cannot travel to Iran independently. US citizens must travel on escorted tours; either as part of a group, or on a tailor-made individual tour. You must send a complete itinerary in advance and follow the plan exactly You must follow an exact itinerary which has been submitted in advance. So, make your travel arrangements at least 10 weeks before your planned travel date. Can I find a local English newspaper in Iran? , but requirements for US citizens travelling to Iran.