Colleges with secret passages?

[hoedown]

<p>If you read "The Rule of Four" some of the book talks about Princeton's underground passages.</p>

<p>But yeah, if you count steam tunnels, they are all over. Michigan's got an team of steamfitters who do repars and maintenance in them, and they proudly wear the logo "Tunnel Rats"</p>

<p>here's some other campus tunnel info:</p>

<p><a href="http://members.tripod.com/%7Etunnels/tinfo.html%5B/url%5D"&gt;http://members.tripod.com/~tunnels/tinfo.html&lt;/a&gt;&lt;/p>