Google has recently added Mongolia to the list of countries with Street View. Read more about it on Google’s LatLong blog. There have also been some major additions in Malaysia on the Island of Borneo. Previous major additions this year were Madagascar and Canadian parks in May and Greenland in February.
Extent of Street View in Mongolia.
Extent of Street View in Malaysia
Street View changes between June 22nd, 2015 and July 25th, 2015 (new Street View in red). Larger version here.
Street View captured Lake Khuvsgul Ice Festival. Fly there in Google Earth with this KML file