books.google.ca - There are over 1300 active volcanoes worldwide and many more dormant or extinct. Some are developed as tourist destinations; others are not, but have great potential. Mount Fuji in Japan attracts over 100 million visitors per year and has immense cultural and spiritual significance, while a number of...http://books.google.ca/books/about/Volcano_and_Geothermal_Tourism.html?id=RjWPbnRuWk8C&utm_source=gb-gplus-shareVolcano and Geothermal Tourism