Olivia Wilde gained the peak of her popularity through the character Dr. Remy Hadley in the TV series "House" which was christened as "Thirteen", because of the serial number which she had among other candidates who would like to work together with House in his team.

Monkey Park Jigokudani is located near Yamanouchi. The place is also called a "Valley of hell". The streams of boiling water splash through the cracks in the frozen soil.