Hola:
Compara tu código con esto:
Código:
<ul>
<li><a href=""><span>Home</span></a></li>
<li><a href=""><span>Adventure Tours</span></a>
<ul>
<li><a href="/inca-trail-4-days/">Inca Trail 4 Days</a>
<ul>
<li><a href="/inca-trail-4-days/inca-trail-luxury-tours.html">Private Service</a></li>
<li><a href="/inca-trail-4-days/top-tips-trekking-inca-trail.html">Top Tips Inca Trail</a></li>
</ul>
</li>
94 <li><a href="/inca-trail-2-days">Inca Trail 2 Days</a></li>
<li><a href="/alternative-adventure-treks/salkantay-inca-trail/">Salkantay Inca Trail 5 Days</a></li>
<li><a href="/alternative-adventure-treks/choquequirao-inca-trail/">Choquequirao Inca Trail 4 Days</a></li>
<li><a href="/alternative-adventure-treks/jungle-inca-trail/">Inca Jungle 4 Days</a></li>
99 </ul>
</li>
Saludos.