The Institute for Nature Study is a sanctuary that preserves the beauty of nature in the middle of Tokyo, making it a gorgeous and peaceful oasis for people to escape from the city. All kinds of trees and plants are being persevered here, along with different kinds of flowers that change with the distinct four seasons of Japan. When you come into this area, you will feel like you have walked into a small forest. This area costs ¥320 to enter and for High-school students and younger, it is free.