Penitentes' labyrinth
Hello darkness, my old friend
Volcano-Tectonic Interaction
Las Grietas: Miniature Canyons of Lanzarote
Satellite image of the tree-like village
Reynisdrangar basalt sentinels
Permafrost melt and glacial retreat outpacing human expectations.
Polarized light photomicrograph of a thin section of brazilian agate.
Connection to the deep crust
Temple in floodplain