If you liked the article, you'll probably enjoy travel notes by Artemy Lebedev who is just two countries behind:
http://tema.ru/eng/travel/countries/
One country he had hard time getting into is Turkmenistan: http://tema.ru/eng/travel/turkmenistan-2/ The visas are declined and the search form on the airline site is actually a jpg.
The North Korea travel notes are a good read as well: http://tema.ru/eng/travel/north-korea/