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