The spinning globe in the Footer One Widget Area is a Font Awesome icon. The code for it is below, simply copy and paste it into a text widget, and click save.
<i class="fa fa-globe fa-5x fa-spin alignleft" aria-hidden="true"></i> The Pretty Travel WordPress Theme is a travel theme built for sharing your adventures with the world in style, whether you're backpacking across Europe or enjoying a staycation with your family at home. This theme makes it fun to share, and follow along.<br>