Isthmus
Mesa
Glacier
Mountain
Hill
Geyser
is a natural hot spring that occasionally sprays water and steam above the ground.
is a raised area or mound of land.
is a long-lasting, slowly-moving river of ice on land.
is a very tall high, natural place on Earth - higher than a hill
is a narrow strip of land connecting two larger landmasses. An isthmus has water on two sides.
is a land formation with a flat area on top and steep walls - usually occurring in dry areas