Hello how may I help you? hey Good morning. How may I help you? whats the deepest point on earth? The Mariana Trench's Challenger Deep is the deepest known place on Earth. How deep? It's been measure at just over 36,000 feet deep. Wow can you swim there? You could swim there, but you could only go so deep without specialized equipment. Ah are there any new species there? I'm sorry. I do not have that information available to me. Okay