This document provides examples of when to use "the" with different types of geographical features, landmarks, buildings, bridges, countries, and other locations. It explains that "the" is used with specific rivers, deserts, mountains, forests, oceans, channels, valleys, islands, and other singular land and water features. It also notes that "the" is used with country names that contain "of" or are island countries. The document provides multiple practice examples for the reader to identify whether "the" should be used or not in descriptions involving these different types of locations.