natural caverns
Rock-formed hollow spaces
Natural caverns are underground chambers formed by geological processes rather than human excavation.
Water dissolving limestone over millennia creates most natural caverns, producing features like stalactites and stalagmites.
The term distinguishes these formations from man-made tunnels or mines: The tour guide led us through the natural caverns beneath the hillside.
- moonmilkSoft mineral cave deposit
- limestone cavesSubterranean voids in calcium carbonate
- batsFlying nocturnal mammals
- speleologyScientific study of caves
- stalagmitesUpward-growing cave formations
lava tubes · spelunking · sea caves · cave art · sacred rituals · ice caves · pitch black · dripping water · echo chamber · conservation efforts · fungi · folklore · columns · underground river · mineral deposits · sinkholes · draperies · archaeological sites
natural cavernsmines
Ore extraction sites
subway tunnels · quarries · bomb shelters · catacombs · sewers
natural cavernsopen plains
Broad, flat, treeless terrain
prairies · savannas · tundra · open desert · open ocean
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