High_Desert_Canyon.zip is a release file of the Minecraft map Epic Landscapes: High Desert Canyon, made for Minecraft 1.5.0. It was published on March 18, 2013 and is 37.8 MB in size. For the full description, screenshots and every other version, visit the Epic Landscapes: High Desert Canyon map page.
How to install: Extract the .zip and move the world folder into .minecraft/saves; the map then appears in your Singleplayer list.