Explore Lanzarote's important volcanic sites on this full-day guided bus tour. Led by an expert guide, visit the impressive and unearthly Timanfaya National Park, where the ‘mountains of fire’ erupted in the 18th century. Marvel at the world's longest lava tubes in the Cueva de los Verdes, visit the ancient lava caves of Jameos del Agua and observe the park's exotic inhabitant, a blind albino crab.