With that update I thought people may be interested to know that there are 50 sites that don't have a review yet.
Here is a list, they mostly breakdown to remote and inaccessible or recent additions:
Unreviewed sites Dec 2014::
Minaret of Jam
Heard and McDonald Islands
Macquarie Island
Noel Kempff Mercado National Park
Sangha Trinational
Sangha Trinational
Mount Wuyi
Malpelo
Virunga National Park
Salonga National Park
Sangha Trinational
Cocos Island
Stone Spheres of the Diquís
Alejandro de Humboldt National Park
Santa Ana de los Rios de Cuenca
Decorated cave of Pont d'Arc
Rani-ki-Vav
Great Himalayan National Park
Bam Cultural Landscape
Armenian Monastic Ensembles
Shushtar
Ardabil
Gonbad-e Qâbus
Golestan Palace
Shahr-i Sokhta
Ashur
Saryarka
Lake Turkana
Phoenix Islands
Tadrart Acacus
Bikini Atoll
Uvs Nuur Basin
Petroglyphs of the Mongolian Altai
Sub-Antarctic Islands
Air and Ténéré
Darien National Park
Western Caucasus
Central Sikhote-Alin
Wrangel Island
Uvs Nuur Basin
Bassari Country
Richtersveld
Central Suriname Nature Reserve
Ancient villages of Northern Syria
Sarazm
Tajik National Park
Çatalhöyük
Pergamon
Tauric Chersonese
Trang An