Canary Islands, Spain.

"After chasing the opportunity for nearly two weeks, this photographer was able to accompany intrepid volcanologist Raul Pérez to collect liquid lava samples and measure temperature close to the volcano vent. Though its destruction potential is debated, the Cumbre Vieja Volcano is hypothesized to have the potential to create a megatsunami that could reach as far as North America, making any further discoveries about its volatility extremely important."