A natural depression in the surface of the land, often with a lake at the bottom.
Basin
The indentation of a shoreline, larger than a cove, but smaller than a gulf
Bay
A deep, narrow valley with steep sides.
Canyon
The course taken by a body of water between two land masses
Channel
An arid region with little or no precipitation
Desert
An arm of a sea or ocean, larger than a bay, that extends into land
Gulf
A landmass smaller than a continent, that is surrounded by water
Island
A group of closely spaced mountains or parallel ridges.
Mountain Range
A strip of land surrounded by water on three sides.
Peninsula
A relatively flat highland.
Plateau
A flat grassland in a tropical or sub-tropical region
Savanna
A narrow channel of the sea, joining two larger bodies of water.
Strait
A division of an ocean or large body of water partly enclosed by land.
Sea
A long depression in the surface of the land that is normally surrounded by higher hills or mountains.
Valley
An example of a basin
Great Basin
An example of a bay
Bay of Bengal
An example of a canyon
Grand Canyon
An example of a gulf
Gulf of Mexico
An example of a mountain range
The Andes
An example of a plateau
The Plateau of Tibet
An example of a channel
The English Channel
An example of a desert
Sahara Desert
An example of an island
Greenland
An example of a peninsula
Michigan
An example of a strait
The Strait of Magellan