The Britannic sank in just 55 minutes, three times faster than her sister ship, the Titanic. | National Geographic TV

Did you know? 🧐 Unlike Titanic, the wreck of HMHS Britannic lies at a much shallower depth — around 120 meters (400 feet) in the Aegean Sea, near the Greek island of Kea. This allowed experienced technical divers to access parts of the wreck, including the collapsed Grand Staircase and dome area. In 1999, a remarkable expedition captured rare footage from inside the ship’s interior — a haunting glimpse into a once-majestic liner lost to war. Would you be brave enough to dive into a century-old