A tourist resort of the recommended in the Japan is Tokyo Disneyland. 
There is a theme park of Disney in world,  Tokyo is splendid too.

A park is decorated in particular very neatly in the time of the Christmas event.

A Christmas tree

Mickey Mouse, a snowman version

The picture of the Mickey and Minnie which were made with dead leaves

Please come once by all means if You come to Japan.

Some convenient routes from these train stations:
 
Tokyo Station
JR Keiyo Line or JR Musashino Line (about 15 minutes)
get off at JR Maihama Station (South Exit)