Here is someone who bicycled every road in San Francisco. All tracked with GPS.
<a href="http:&#x2F;&#x2F;rideallofsf.tumblr.com&#x2F;" rel="nofollow">http:&#x2F;&#x2F;rideallofsf.tumblr.com&#x2F;</a><p>And someone who walked all of Berkeley, CA back in 2007.
<a href="https:&#x2F;&#x2F;walkingberkeley.wordpress.com&#x2F;" rel="nofollow">https:&#x2F;&#x2F;walkingberkeley.wordpress.com&#x2F;</a>