If you've ever wanted to explore the ocean floor while staying completely dry, a diving bell ship might be your answer. This sealed, pressurized chamber lets you stand and walk at the bottom of oceans or lakes without swimming or wearing scuba gear.
Before entering the bell, you must first adjust to pressure changes in an acclimation chamber. You then descend via a narrow staircase into the main observation area, where you can move freely and breathe normally in the pressurized space — though some might find the enclosed environment claustrophobic.
This technology proves especially valuable for underwater archaeology and recovery work. By eliminating the need for diving equipment and direct water contact, the diving bell makes deep-water exploration and artifact retrieval more efficient and accessible.