volcanic plug
volcanic object created when magma hardens within a vent on an active volcano
Smith Island
island in Japan
Pitons
volcanic spires in Saint Lucia
Inclusion Hill
hill on Ross Island, Antarctica
Joske's Thumb
volcanic plug near Suva, Fiji
The Nut
mountain in North West Tasmania
Big Nellie Mountain
mountain in New South Wales, Australia
Morro Rock
volcanic plug in United States of America
Lot's Wife
island of Japan