See http://www.worldheritagesite.org/allnor.php for an overview of the WHS that have not been reviewed yet.

Common denominators?
Islands, Iran, Russia, newly inscribed, Africa and natural sites.

I shall rack my brains and search my photo archive for Fort Jesus, Rabat, Causses/Cevennes and Albi - all visited way before they were inscribed and in some cases long before the WHS scheme was even thought of!

If the Indian legal system makes up its mind we should be able to add Kaziranga and Manas early next year but, at the moment, the decision to close all tiger reserves to visitors still applies. There has been one delayed decision regarding the appeal against this and the next deadline is later this month - and the parks are all due to open on Oct 1. There must be a lot of hotels, guides etc worried for their future. The obvious compromise is that all parks should define inner closed areas

I have been researching Senegal for a destination this January. It has 3 unreviewed WHS, but all 3 are easily accesible. The only thing "wrong" with Senegal is that it is mostly visited by French speaking travelers (which do not frequent this website much).

Yes "French speaking" is certainly another significant common factor. The vast majority of the African sites represented are within "La Francophonie" :-
Burkina Faso, Cameroon, CAR, Chad, Congo DR, Congo R, Morocco, Niger, Senegal.
Then add Syria and 4 in France or French Territories and this all adds up to 17 of the 69 unreviewed sites.

So, whilst "difficulty of access" certainly applies as the reason for many of the sites not being reviewed so far, another major reason will be the "bias" among the active and review-posting "population" of this Web site. But why should French speaking destinations not have been covered by the multiple nationalities of that active population -which includes those from NL, Sweden, Spain, Poland, Germany, Austria, Philippines, UK, USA, Australia etc etc who, between them, have managed to penetrate most of the rest of the World!! It is almost as if Francophone destinations operate in a separate "travel universe". I particuarly felt this when I visited Mauritania. I know no-one else in UK who has visited this country yet the place was heaving with French tourists, many of whom I wouldn't have called particularly "adventurous", but who had just boarded a regular charter flight for a 1 week organised "desert experience"!!

Even you Els, who speak French and have criss-crossed most of Europe have some significant gaps in France itself many of which are a mere day's drive down the auto-route!!

Regarding the Francophone African countries I suspect that a number of them have been particularly difficult of access to all nationalities in recent years. Another aspect however is the extent to which those countries have achieved Inscriptions despite their otherwise poor governance and hence low rates of tourism - even from France itself. It is almost as if the French propensity to go for inscriptions has been transferred into the administration of their ex colonies!! A quick review shows, I think that EVERY country in Francophone Africa (Rwanda and Burundi as ex-Belgian are special cases and the Comoros are only partly "African") has at least one inscription whereas those in Portuguese, Spanish and even British ex colonies (Swaziland, Lesotho, Sierra Leone and Somalia in part) ex colonies have not!

Any parallels with this list compiled by globetrotters and where they went: http://mosttraveledpeople.com/Rank-WHS.php ?

Proofs at least that all can be visited. The two Chinese ones remaining there are not that hard.

Review of Alejandro de Humboldt National Park in Cuba is hopefully coming in November ;-)
I wasn't aware that the Masjed-e Jâme in Iran wasn't reviewed yet (I assumed quite a few people would have visited it since other sites in Esfahan were visited), I will write a review this week

Joyce, I have had a look over your blog posts on Iran previously but how did you find it travelling around, Were you on a guided tour the whole time?

Yes, I was on a guided tour. It was very easy going though and we had enough time to explore cities and sites by ourselves. I even got invited into people's house to party when I was by myself (and many times invited for tea, by myself or when I was with others). Also, Pasargadae wasn't part of the set itinerary, but I asked if it was possible to combine it with our day trip to Persepolis and because the rest of the group didn't mind we all paid a little extra to also visit Pasargadae.
Travelling by group makes it very easy to get to places in Iran. We also had a lot of picnics in mosques and they arranged to go into an ancient caravan for instance where you normally would be standing for a closed door.
However, if you want to do it by yourself; Iranians are very friendly and helpful and you can also travel by yourself. I definitely want to go back to visit the western part of the country and probably do it by myself then.

Joyce, I am very envious of your trip. I have met some very charming Iranians in London recently, so I'm hoping to get some contacts for a future visit, who can show me around everyday Tehran.

However the UK embassy is closed at the moment, and it is on the UK list of places to not visit in any circumstance. Perhaps I will wait for tensions to cool a little before making the dive forward, looks magnificent though.