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