Why does this imagery fill me with peace when I think about it?

I am sitting in front of a burning lake on a rock that fells forever cool to the touch (not cold but cool). The flames dance out the most fantastic images of gold, green, blue, and orange. Jagged rocks of Obsidian enclose me and decorate the area around me with glowing veins of magma dripping through them. I am not hot in the least and feel quite comforable. The fire and rock are abound with a glorious energy that make me feel at complete peace.