What is a National Park? Objective 1. Explain the mission of the National Park Service. 2. Name at least two national parks, in addition to the National Park of American Samoa, and describe the resources they protect. 3. Compare at least two different types of national parks. Preparation 1. World Atlas 2. National Park System Map 3. National Park of American Samoa Brochure 4. The National Parks: Index Procedure Part 1 Where Are We? Ask each student to put a small “sticky” on a world atlas where they think American Samoa is located. Supply Needed : World Atlas Part 2 What is a National Park? As Duration: 60 Minutes.