We've all heard of the sunken city of Atlantis, but are you aware of the 'Lost City'?
This particular underwater landscape is yet to have been made into a Disney movie, as it was discovered by accident.
Back in 2000, experts sent rovers to investigate a rocky landscape, and instead, what they found was a potentially 120,000-year-old city.
700 metres below the surface of the Atlantic Ocean was a hydrothermal field, often described as a geological area where hot water circulates beneath the Earth's surface.