Crater lake on Mount Bisoke volcano, Rwanda 
Rising sun lights boiling water erupting from Strokkur Geyser on summer morning, Iceland 
Sierra Negra Volcano on Isabela Island, Galápagos Islands, Ecuador     
 
View from Miradouro Boca do Inferno to Sete Citades, Azores, Portugal 
Volcano crater islet of Vila Franca do Campo at São Miguel island, Azores, Portugal