Japan is one of the most beautiful places to visit.It has huge cities such as Tokyo, and beautiful trees like the Somei Yoshino. Plus the prices aren't so bad for a nice hotel. The travel advisory says it is very safe to visit.
Japan has festivals and party's all the time! Maybe you could plan your trip during one. Some popular ones are the Awa dance festival, and the Tenjin Matsuri.
You could visit and climb the historic Mount Fuji, and if you arn't a climber, you could hike through the Arashiyama bamboo forest.There are beautiful waterfalls and animals such snow monkeys or pandas.