32 Underrated National Parks Perfect for Avoiding Summer Crowds

17. Channel Islands National Park, California: Island Isolation & Marine Wonders

Dubbed the "Galapagos of North America," Channel Islands National Park comprises five remote islands off the Southern California coast, accessible only by ferry or private boat. This isolation ensures remarkable tranquility. Kayak through sea caves, snorkel in kelp forests alongside seals, or hike through unique island ecosystems. The lack of cars and development fosters a deep sense of peace and connection to nature, offering a pristine marine wilderness experience away from mainland crowds.