Hidden in a valley pocket is an underground rock dwelling that dates back to the 1800s. It's almost like a cave. When you walk in there, you can see what appears to be a skylight in a rock ceiling. On the rock walls, there are carved-out ledges that could...
</img>
</img>
</img>
</img>
</img>
http://feeds.sfgate.com/~r/sfgate/rss/feed...974/article.cgi
http://feeds.sfgate.com/~r/sfgate/rss/feed...974/article.cgi