9. The Capsule Inn, Osaka, Japan Japanese are known for their innovative ideas and this one's among the best.
The Capsule Inn in Osaka is the first capsule hotel opened in 1979.
Basically the idea was to accommodate maximum guests in case of urgency.
They are systematically placed inside confined capsule-like spaces that are just big enough to contain a guest's luggage, a bed and a TV.
This idea struck them due to excessive population in the country.