- Japan's historic Tokyo Station turns 100 years old
- Tokyo terminus is the busiest station in Japan with the most revenue among all stations
- Under Tokyo lies a labyrinth of secret tunnels and the oldest connects the station to the Central Post Office
- Two assassination attempts on Japanese prime ministers have taken place in the station
(CNN)The gateway to Japan's capital, Tokyo Station, is celebrating its centennial in 2014 -- and it's never looked better.