The Mariana Trench is a crescent-shaped trench in the Western Pacific, just east of the Mariana Islands near Guam. The region surrounding the trench is noteworthy for many unique environments. The Mariana
10 Deepest Parts of the Ocean
About the Mariana Trench - DEEPSEA CHALLENGE Expedition
Ten Things to Know About the Mariana Trench – the Deepest Part of the Ocean - 30A