OceanGate's co-founder prepares to go where no human has gone before a year after five people died when the company's submersible imploded on its way down to the Titanic. Co-founder Guillermo Söhnlein, who runs Blue Marble Exploration, will send a submarine down a 663-foot, underwater sinkhole that completely surrounds the Bahamas. That drop is a scientific estimate, as no human has ever reached the bottom, Popular Mechanics reported.
BILLIONAIRE PLANNING ‘RETURN TO THE TITANIC’ DESPITE DOOMED TITAN SUBMERSIBLE VOYAGE Others believe it leads directly to hell, hence the nickname 'Portal to Hell.' 'In the first comprehensive scientific survey of the area, our scientists will tap cutting-edge underwater ROV technology to remotely venture into some of Earth’s least hospitable conditions in search of unprecedented findings,' the website says.