Maiden's Tower, also known as Leander's Tower (see <a href="https://en.wikipedia.org/wiki/Hero_and_Leander" class="extiw" title="w:Hero and Leander">Hero and Leander</a>) in Istanbul, Turkey
<a href="//commons.wikimedia.org/wiki/User:CherryX" title="User:CherryX">CherryX</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>