The Gate Tower Building skyscraper in Japan has a highway passing through its fifth, sixth and seventh floors.
7
The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19
In Japan, slurping loudly while eating noodles shows that the food is delicious. It's actually considered rude not to slurp!
26
Japan has the most vending machines in the world (5.52 million) which is more than the population of New Zealand.
7