The Hells of Beppu in Beppu, a city on the island of Kyushu, are a series of hot springs that are too hot for bathing, but are a unique and interesting sight to see.
In Japan, there is a tradition of eating soba noodles on New Year's Eve to bring good luck.
Katsuobushi, a type of dried and smoked tuna that is often used to flavor dishes and is a key ingredient in dashi.