What are the free tourist attractions in Japan?

Osaka Castle (Tianshouge) Shoulimen, Mount Fuji Tokyo Disney Resort Hausberg Ryukyu Village (World Heritage) Dotonbori Pingheyuan Palace Xihai National Park Okinawa Meihai Aquarium Japan Universal Studios Southeast Botanical Park Yunxian Hell Meiji Jingu Osaka Duck Tour Sensoji Temple Osaka History Museum Nagasaki Atomic Bomb Archive International Tongshunye Park Ocean Watchtower Osaka Habitat Museum Sea Tour Museum Pot House Burning Museum Taiwan Province Ryukyu Glass Village Hakone-machi Heimen Market Shinjuku Royal Garden Sky Garden Observation Deck (Meitian Skyscraper) Nahabin Gong Li Garden Meicun 10,000-seat Maoxibiao Island.