Harry Potter is everywhere! From Orlando, to California and even Japan, Universal Studios is exploding with Harry Potter. The new Diagon Alley is scheduled to open here in Orlando next year, the Universal Studios Japan Wizarding World is scheduled to open some time next year, probably during the summer, and Universal Studios Hollywood is going to be well into the construction of their Harry Potter section. A YouTube user has posted this video of the progress of construction of the Harry Potter section over at Universal Studios Japan.
According to MuggleNet, we could possibly see an opening around June 2014.