There are some things you should never forget when you come to Tokyo. It is that there are two wonderful sightseeing spots in the suburbs of Tokyo. One is Nikko, famous for its Yomeimon Gate, Kegon Falls, and Lake Chuzenji.
The second is Hakone, which has been famous since ancient times for its many hot spring inns, Lake Ashi and its pleasure boats, and the spectacular view of Mt. Fuji. Moreover, both are sightseeing spots that can be visited on a day trip from Tokyo in two to three hours by comfortable limited express train. It is an application that explains the method of the day trip in a simple and easy-to-understand manner.