geological oddities

bryce canyon: strange and unique place modeled by erosion

carnivorous pink cloud: phenomenon that is thought to be caused by toxic swamp gas.

crystals: did you ever think of crystals as flowers of the mineral kingdom?

devil's kettle: we genuinely don't know where the water goes!

moodus noises: eerie acoustic phenomenon that might be micro-earthquakes

naica mine: incredibly beautiful crystal mine

ringing rocks: strange but quite common phenomena

sailing stones of death valley: rocks that moves. in a desert.

smiling stones: not much can be found about it, might be man-made, might be geological

stone forests: unique limestone forest