Monocacy Creek Aquaduct, part of <a href="https://en.wikipedia.org/wiki/Lehigh_Canal" class="extiw" title="en:Lehigh Canal">Lehigh Canal: Allentown to Hopeville Section</a>, <a href="https://en.wikipedia.org/wiki/Bethlehem,_Pennsylvania" class="extiw" title="en:Bethlehem, Pennsylvania">Bethlehem, Pennsylvania</a>. Sand Island Park.
<a href="//commons.wikimedia.org/wiki/User:Shuvaev" title="User:Shuvaev">Shuvaev</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>