This is the drilling rig on the Joides Resolution, a research ship that has made contributions to our understanding of paleontology, plate techtonics, and climate science over the past 40 years. The cool geometric structure insulates a camera from vibrations so they can get a clear view of the seafloor. Neat retrospective on the ship (with more photos) here: https://www.theguardian.com/environment/2024/oct/09/a-huge-loss-is-it-the-end-for-the-ship-that-helped-us-understand-life-on-earth