PBS
Pbs Learning Media: Natural Wonders
Many of the interesting landmarks around the world are formed over time by natural processes familiar to us in our everyday lives. This still collage produced for Teachers' Domain features images of a variety of beautiful natural wonders.
Palomar Community College District
Wayne's Word: Life on Salt Lakes
A fascinating report on some of the living things found in salty environments. There are terrific photos of salt flats colored red by some salt loving bacteria.
Curated OER
University of Texas: Tunisia: Relief Map
Click on this relief map of Tunisia from the Perry Castaneda Collection to enlarge it. Then you can clearly see the salt lakes, called chotts. You can also find the Atlas Mountains where they border Algeria.
Other
University of Texas at Dallas: Why Is the Sea Salty?
A clear and concise explanation of why some of the earth's waters are salty and others are not.