"In this breathtaking experience, former deep sea diver Chris Lemons will lead you on a guided tour of the relatively unknown ...

When Hans Hartman, a civil engineer, attempted to film the ocean depths in 1917, he pioneered what would become the first deep-sea ROV ... motion pictures, and ocean exploration.

In marine ecology, a lot of research is conducted while scuba-diving ... to do deep marine science. In this photo, I’m piloting a camera-fitted ROV at the Diamond Islets in the Coral Sea ...