Observatories are located in both the north and south towers of the Number 1 building and offer 360 degree views of the city and surroundings. A snack bar and souvenir shop is available. The elevator will stop at the second floor on your descent -- displays (in Japanese) give a short history of Tokyo.
Address:
2-8-1 Nishi-Shinjuku
Tokyo Japan
Phone: 5320-7890
Online: Tokyo Metropolitan Government Office Observatory website
Admission: Free
Open: Daily, 9:00 a.m. - 5:30 p.m.; closed Dec 29 - Jan 3 (New Year's)