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