Fundacja Nautilus is a Polish foundation focused on documenting and investigating unexplained phenomena. Its website serves as an information and community hub, bringing together articles, reports, reader accounts, photographs, videos, and updates from the organization. Its coverage spans UFO sightings and encounters, alleged contact with extraterrestrial civilizations, crop circles, mysterious places, and questions about life after death, including ghosts and reincarnation. Other topics include psychic abilities, predictions, unusual experiments, cryptozoology, religious and historical mysteries, astronomy, and environmental issues.

The foundation also shares personal stories submitted by readers and invites the public to send in experiences, questions, and observations through email or online forms. Its projects and editorial features include the Nautilus HD video section, the XXI Piętro reader-story platform, a ship’s log, and themed collections of reports and publications. Visitors can browse material by subject, watch films, follow current news, and explore book and film reviews. Fundacja Nautilus presents these subjects for an audience interested in unusual claims, mysteries, and perspectives beyond everyday experience.