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.
Japan has a trend called "forest bathing" where people go into the woods to de-stress and improve their health.
Mount Fuji is the highest mountain in Japan and a popular destination for hiking, climbing, and sightseeing.