Canadian expedition maps historic Antarctic explorers' wrecks in 3D detail

In a joint venture between CBC News and the Royal Canadian Geographical Society, a deep‑sea expedition this week descended into the Labrador Sea to capture three‑dimensional images of the final vessels of two of the most celebrated Antarctic explorers: Ernest Shackleton’s Quest and Robert Falcon Scott’s Terra Nova. The footage, presented in CBC’s recent video report, offers a rare glimpse of how time, ice and oceanic forces have altered the wooden hulls that once carried men into the polar unknown. The project, undertaken in September 2026, underscores Canada’s ongoing role in maritime heritage research and highlights the technical challenges of exploring wrecks that lie in remote, ice‑filled waters.

Why the Labrador Sea?

The Labrador Sea, a deep basin off the eastern coast of Canada, has long been a conduit for ships travelling between Europe and North America. It is also a region where cold currents and seasonal sea‑ice create a harsh environment for any vessel, historic or modern. The video explains that both the Quest and the Terra Nova sank in these waters after their Antarctic missions, making the sea a natural repository for the artefacts of early 20th‑century exploration.

According to the CBC report, the wrecks rest at depths that require specialised submersibles capable of navigating both strong currents and floating ice. The choice of the Labrador Sea therefore reflects not only the historical fact of where the ships were lost, but also the logistical reality that Canada possesses the expertise and equipment to reach such remote sites.

By mapping the wrecks in three dimensions, the expedition aims to preserve a digital record that can be studied without disturbing the fragile remains. This approach aligns with broader Canadian policies that balance heritage preservation with environmental stewardship, particularly in marine contexts where ecosystems are sensitive to human intrusion.

Historical context of the Quest and Terra Nova

Ernest Shackleton’s Quest was the final vessel of the famed Imperial Trans-Antarctic Expedition, launched in 1914. After the dramatic rescue of his crew from the Endurance, Shackleton embarked on a second attempt to cross Antarctica, only to be thwarted by ice and weather. The Quest ultimately returned to the North Atlantic, where it was later lost in the Labrador Sea, as the video notes.

Robert Falcon Scott’s Terra Nova carried the British expedition that reached the South Pole in 1912, only to find that Roald Amundsen had arrived weeks earlier. Scott’s party perished on the return journey, and the ship itself was later abandoned and sank in the same sea that now holds the Quest. The CBC footage highlights the symbolic weight of these vessels as tangible links to the heroic age of Antarctic exploration.

The video’s description underscores the significance of revisiting these wrecks: they are not merely relics but touchstones for understanding the human cost of early polar ambition, as well as the technological limits of the era. By bringing the wrecks back into public view, the expedition invites Canadians to reflect on a shared maritime heritage that extends beyond national borders.

Technical challenges of deep‑sea 3D mapping

The expedition employed a remotely operated vehicle (ROV) equipped with high‑resolution sonar and photogrammetry cameras to generate three‑dimensional models of the wrecks. The CBC report describes how the ROV navigated through a maze of ice floes, a task that required careful timing to avoid damage to both the vehicle and the fragile hulls.

One of the key difficulties highlighted in the footage is the corrosive effect of saltwater on wooden structures that have been submerged for over a century. The video shows sections of the hull where marine growth and sediment have obscured details, necessitating multiple passes by the ROV to capture sufficient data for a complete model.

Because the Labrador Sea can experience sudden shifts in temperature and salinity, the expedition also had to monitor environmental conditions in real time. The CBC team notes that the ROV’s sensors were calibrated to detect subtle changes that could affect the stability of the wrecks, ensuring that the mapping process did not inadvertently cause further degradation.

Findings from the 3D models

The three‑dimensional renderings reveal a stark contrast between the two ships. The Quest appears relatively intact, with the bow and stern sections still recognisable despite the accumulation of marine organisms. In contrast, the Terra Nova shows more extensive fragmentation, with large portions of the hull broken apart, likely due to the combined impact of ice pressure and long‑term exposure to the sea.

One of the most striking observations, as shown in the video, is the way ice has sculpted the wrecks over time. The footage captures layers of ice that have grown around the ships, creating natural moulds that both protect and erode the wooden timbers. This phenomenon illustrates how the Arctic environment continues to shape historical artefacts long after they have been abandoned.

The digital models also allow researchers to examine construction details that were previously inaccessible. For instance, the video points out the distinctive rivet patterns on the Quest that reflect early 20th‑century shipbuilding techniques used by British yards. Such details can inform broader studies of maritime engineering practices during the era of polar exploration.

Implications for Canadian heritage and policy

Canada’s involvement in the expedition aligns with its broader commitment to preserving underwater cultural heritage, as outlined in the UNESCO Convention on the Protection of the Underwater Cultural Heritage, which Canada has endorsed. By documenting the wrecks, the Royal Canadian Geographical Society and CBC are contributing to a national record that can guide future protective measures.

The project also highlights the importance of inter‑agency collaboration. The video credits the expertise of marine archaeologists, oceanographers and engineers, reflecting a multidisciplinary approach that Canadian institutions have increasingly adopted for heritage projects. This collaborative model could serve as a template for future endeavours, such as the exploration of shipwrecks along the Atlantic coast of Newfoundland and Labrador.

From a policy perspective, the expedition underscores the need for sustained funding for marine research. The CBC report notes that the operation required specialised equipment and vessels, resources that are often limited in the federal budget. The successful outcome of this mission may bolster arguments for continued investment in maritime archaeology, particularly as climate change alters sea‑ice patterns and potentially exposes new sites.

Public engagement and the future of underwater exploration

The CBC video, embedded as the hero of the article, serves as a vivid tool for public education. By presenting the wrecks in immersive 3D detail, the report invites Canadians to connect with a chapter of exploration history that, while geographically distant, resonates with national narratives of endurance and discovery.

Beyond the immediate fascination with Shackleton and Scott, the expedition raises broader questions about how societies remember and preserve the past. The digital models can be shared with schools, museums and Indigenous communities, fostering inclusive dialogue about heritage. In particular, the involvement of the Royal Canadian Geographical Society—a body with deep ties to Indigenous mapping traditions—suggests a pathway for integrating diverse perspectives into the interpretation of maritime history.

Looking ahead, the success of this deep‑sea mapping effort may inspire further projects that target other historic wrecks along Canada’s extensive coastline. As the video demonstrates, advances in sonar and photogrammetry are making it increasingly feasible to document sites that were once considered unreachable. For Canadians, the prospect of uncovering more of the nation’s submerged past offers both educational value and a reminder of the country’s longstanding relationship with the sea.

By Alex Thompson, Staff Writer

This article was produced with AI-assisted research and editorial support. Reporting is based on the source material cited below. Sources: CBC News video report (18 September 2026); CBC News; Global1.News