While it’s located just off the central coast of California, Channel Islands National Park is one of the state’s least visited. Known as the “Galapagos of North America,” the five islands in the archipelago are teeming with wildlife. That includes more than 2,000 animal and plant species, with three endemic mammals, the spotted skunk, deer mouse, and Channel Islands fox. On the boat ride from the mainland, visitors almost always spot common dolphins, with gray whales, humpback whales, harbor seals, and California sea lions all regularly seen too. If you’re lucky, you might see orcas, fin, or blue whales in the summer. Many visit by taking a day trip from Santa Barbara as there is no lodging or services of any kind on the island, but camping is an option on Santa Rosa and Santa Cruz islands, with potable water available.