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