25 Bizarre Nature Photos Showing How Strange Earth Really Is 4. Blue Lava: Due to the combustion of sulfuric gases at extremely high temperatures, this volcano in Indonesia produces the blue glowing lava. Prev Next Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26