Cave and Grotto Types

• boulder cave or talus cave
• breathing cave
• canyon
• catacomb
• cavern
• chemically formed cave
• crevice cave
• dissolutional cave
• eolian cave
• erosion cave
• fissure cave
• glacier cave
• glaciere
• gypsum cave
• ice cave
• lava cave
• lava tube cave or lava tube
• limestone cave
• master cave
• mechanically formed cave
• rock shelter
• sandstone cave
• sea cave
• sink
• sinkhole
• solution cave or karst cave
• souterrain
• suffosional cave
• talus cave or boulder cave
• tectonic cave