Learn about Ellis' history on a ranger-lead tour. NPS photo. The image of an operation seems to be just behind a tile wall in the Hospital Complex on Ellis Island. Part of a special exhibition by the artist JR it can be seen as part of the hard-hat tour offered by Save Ellis Island, Inc., a partner of Statue of Liberty National Monument and Ellis Island. NPS photo. FREE Ranger-Guided Tours: Both National Park Service Rangers and dedicated Volunteers-in-Park lead walking tours throughout the museum. Tours are approximately 40 minutes in length, and chronicles island history during the busiest years of immigration of 1892 and 1924.