If you are going to visit Iran and the destination is mainly Qeshm Island resting on persian Gulf, Salt cave called Namakdan will worth it to be visited. The cave is hard to be explored and makes you climb a long route but visiting the longest salt cave in the world and the only one in the Middle East can compensate the difficulty. The site is actually a part of Qeshm Geo park.
The cave offers you fascinating natural salt sculptures, domes and also rivers.
To get the sight, one needs to take a trip to Qeshm Island. On the southern side of the island, 100 km away, the cave welcomes you.