I think everything we've missed so far is likely still on or near the ocean floor. Might be a few years, or major geological events, before we have something new we can walk to.,(reply>), There are so many major geological events we still know so little about...,(reply>), Thats where the eels are doing it,(reply>), @Luxalpa My thought also,(reply>), I guess there might also still a few things hidden in the rain forests and under the desert.