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