Flights from major Japanese cities like Tokyo and Osaka are frequent and tend to be reasonably priced as well. Beppu is also just a two-hour train ride from Kyushu's largest city, Fukuoka.

Life in Tokyo, whether business or pleasure, revolves around trains and rail stations. Experts say that's no accident.

Sao Paulo, Brazil, with 22.8 million residents, is the largest city in Latin America. Are there any cities experiencing population decline? Yes, cities like Tokyo and Osaka in Japan have seen ...