The story "Extremes on Land: Longest, Oldest, Deepest" explores various geographical superlatives across the world, illustrating how superlative terms like "hottest," "coldest," and "fastest" depict extreme natural phenomena. It delves into places and features that hold records, such as the Nile River being the longest, Lake Baikal the deepest and oldest, and Mount Everest the tallest mountain. The narrative concludes by highlighting more unique records, like Angel Falls being the tallest waterfall and the Marianas Trench being the deepest oceanic point. It emphasizes how everyone possesses unique qualities, making them "superlative" in their own right.