lava tube
natural conduits through which lava travels beneath the surface of a lava flow
Cheese Cave
lava tube located in Gifford Pinchot National Forest just southwest of Trout Lake, Washington
Mammoth Cave
lava tube in Dixie National Forest in Utah
Horse Lava Tube System
lava tube system located near Bend, Oregon
Cueva de los Verdes
lava tube and tourist attraction in Haria, Lanzarote, Canary Islands, Spain
lunar lava tube
sub-surface tunnel on the Moon, believed to have formed during basaltic lava flows
Lake Sai Bat Cave
cave in Japan
Lava River Cave
cave in Oregon
Derrick Cave
lava tube cavern in Lake County, Oregon, USA
Martian lava tube
natural sub-surface lava tube cavern on Mars, believed to form as result of fast-moving basaltic lava flows
Martian lava tube
natural sub-surface lava tube cavern on Mars, believed to form as result of fast-moving basaltic lava flows
Lava River Cave
lava tube cave in Coconino County, Arizona, United States
Boyd Cave
lava tube in Deschutes County, Oregon, United States