NPS Photo Collecting stamps, also known as cancellations, is a fun way to commemorate your visit to a National Park. The Passport to Your National Parks Program® was created in 1986 by Eastern National, and visitors have since enjoyed collecting free cancellations at all 400+ National Park sites. Visit Gulf Islands National Seashore offers a variety of cancellations at the following locations:
Mississippi
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Last updated: March 4, 2026