Following is the command line which you want to execute when you want to download a full website and made available for local viewing.
$ wget --mirror -p --convert-links -P ./LOCAL-DIR WEBSITE-URL
-mirror : turn on options suitable for mirroring. -p : download all files that are necessary to properly display a given HTML page. -convert-links : after the download, convert the links in document for local viewing. -P ./LOCAL-DIR : save all the files and directories to the specified directory.