A mysterious ‘Yellow Brick Road’ found deep in the Pacific has a scientific explanation

Scientists uncovered a strange “yellow brick road” on the seabed near Hawaii. (Image: The Ocean Exploration Trust/E/V/Nautilus)

• Scientists discovered a "yellow brick road" rock formation on Liliʻuokalani Ridge.
• Formation is 3,000m deep in Papahānaumokuākea Marine National Monument.
• Discovery reveals unexplored ocean floors, aiding ancient volcanic studies.

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Scientists exploring the Pacific Ocean noticed something strangely familiar at the seafloor. A patterned seafloor looked uncannily like a "yellow brick road" was observed. The discovery was made during a deep-sea expedition near Hawaii. It occurred inside Papahānaumokuākea Marine National Monument which is a protected marine region.

Where exactly was this found? 

The formation lies on Liliʻuokalani Ridge, far below sea level. It rests more than 3,000 metres beneath the Pacific surface. This ridge is part of an ancient volcanic system. The area remains largely unexplored by modern science. The mission aimed to study deep-ocean geology and ancient volcanic landscapes. Instead, cameras revealed a strikingly ordered, road-like rock formation.

What scientists actually saw on the seabed?

Footage showed flat rock slabs arranged in neat rectangular patterns. The surface appeared yellowish, enhancing the road illusion dramatically. Cracks ran at right angles, resembling carefully laid paving stones. Scientists jokingly compared it to Atlantis or Oz. Light from the ROV highlighted sharp edges and striking symmetry. Sediment-free surfaces suggested recent exposure or minimal disturbance.

Who did this discovery?

The discovery was made by scientists from the Ocean Exploration Trust. This happened during a deep-sea expedition aboard the exploration vessel E/V Nautilus. The team was using remotely operated vehicles (ROVs) to explore and map the seafloor near Hawaii’s Liliʻuokalani Ridge. Here, they spotted the unusual “yellow brick road”-like formation.

Why this discovery is scientifically important?

The find highlights how little we know about ocean floors. Only a small fraction of the seabed has been visually explored. Such formations help scientists understand volcanic histories. They also reveal past environmental conditions underwater. The scientists explained the geological processes behind the striking visuals. Experts stressed the importance of evidence-based interpretation.

What this means for future exploration?

Discoveries like this encourage further deep-sea missions. They demonstrate the value of live-streamed scientific exploration. Public engagement can support funding and conservation efforts. The deep ocean remains Earth’s final frontier.