Formica Léo On one of the world's most active volcanoes, a pebble-filled crater changes color with the wind. Musée Stella Matutina A museum dedicated to the history of sugar cultivation on Réunion island. Notre Dame des Laves At the foot of an active volcano sits a church miraculously spared by its lava. Piton des Neiges Réunion Island's highest point is a two-million-year-old volcano and a paraglider's paradise. Trou de Fer (The Iron Hole) At the center of an island in the middle of the Indian Ocean is a deep chasm ringed by tall waterfalls.