Spoiler on travelling :
<span class='standouttext'>Spoiler : </span><span class='spoiler'>If you travel along your planned route, you can happen to incidentally discover "spots" (locations) you didn't know before ! <img src="/ubbthreads/images/graemlins/winkwink.gif" alt="" /> </span>
The official website - hope it still exists - also has an interesting story about the world of Arcanum ...
Checked it : It still exists ... :
http://arcanum.sierra.com
