Aogashima Island ( volcano inside a volcano)

This website is a travel guide for Aogashima, a volcanic island in Tokyo. It provides information on must-see spots, must-do activities, must-eat local dishes, accommodations, access, transportation on the island, and other traveling tips. The website highlights the island's unique double caldera volcano, its stargazing opportunities, geothermal heat, and local culture. It also includes links to ferry and helicopter schedules for accessing the island.