A wealth of Landsat images can be found on the pages listed below.
The USGS Landsat site features a gallery of Landsat images.
The Science Visualization Studio (SVS) at NASA's Goddard Space Flight center has created a number of Landsat-related visualizations that are featured here.
This award winning website features satellite imagery from all of NASA's Earth-observing satellites including Landsat and an array of science feature articles.
This site features a catalog of NASA images and animations of our home planet including many Landsat images.
This website features a feast for the eyes. See the aesthetic side of Landsat imagery here.