Hyperbaric nursing specialists work with pressure-related injuries and treatments. They work with specialized equipment designed to operate at several atmospheres of pressure, sometimes with exotic gases. They may monitor or treat deep-sea divers who work and live in those environments, and deal with emergencies that come up at the sea bottom. It’s definitely a unique environment for practicing healthcare!
Going in the other direction are flight nurses. They specialize in providing treatment to patients in flight, usually in transit between facilities, or working with pilots or other aviators who have their own special needs and challenges in healthcare.
Or if a different kind of high piques your interest, there’s always the emerging field of cannabis nurse. With the emergence of medical marijuana as a legitimate treatment for a wide range of ailments from chronic pain to anxiety, legitimate registered nurses are needed for consulting and monitoring of this unique patient population.