The Unzen Onsen is a hot spring resort area near Mount Unzen located in Nagasaki Prefecture, Japan. This area was once a temple town achieving a scale worth comparing with Koyasan located in the Wakayama Prefecture. Western style architectural traits can be spotting among the area due to the influence by foreign traders and travelers who have visited Nagasaki for hundreds of years. The resort area is surrounded by natural hot spring fields referred to locals as hells, with gushing streams of steam venting into the air. The combination of steam vents, bubbling hot spring waters and rich sulfur fumes contribute in providing a mysterious atmosphere for visitors to experience. Unzen hell was used in the past to torcher rebellious Christians after the Shimabara rebellion, but today it provides visitors a relaxing bath in the many ryokans and hotels of the area. Travelers can stroll on the many paths provided on the natural trails with observation points to take memorable pictures along the way. Monuments dedicated towards the Christian Martyrs who lost their lives at this location can also be seen in the area. Today Unzen Onsen not only provides hot springs to relax in, but also attract travelers with the incredible scenic views of autumn leaves located on the hills of the surrounding.