Just an hour ferry ride from Ventura sits one of the most biodiverse places on Earth, and most people have absolutely no idea it exists. The Channel Islands National Park, established in 1980, is one of the least-visited national parks in the entire U.S. system, between 300,000 and 400,000 visitors hit the mainland visitor center yearly, which is literally a fraction of Yosemite’s 4 million annual visitors. But that’s exactly what makes it so special.

Santa Cruz Island, the largest and most developed of the five islands in the national park, is your gateway to what’s often called the “Galapagos of North America”. The island is home to some genuinely adorable endemic species you won’t find anywhere else on the planet. There’s the island fox, basically a cat-sized apex predator that’s objectively cute, and the island scrub jay, a bright blue bird that’s noticeably bigger and bluer than its mainland cousins. Millions of years of isolation have allowed these species to evolve in unique ways, some growing larger and others smaller than their mainland counterparts.

The geological story here is wild too. Scientists believe that 20 million years ago, these islands were positioned near San Diego in a north-south alignment. Tectonic plate shifts eventually rotated them to their current east-west orientation. That long isolation also explains why fossils show the islands were once home to pygmy mammoths, creatures that only reached 4 to 6 feet tall.

Beyond the wildlife, the islands offer legitimate adventure. You can kayak through sea caves like the Painted Cave, California’s largest and the world’s fourth-longest sea cave at 1,227 feet. The kaleidoscopic colors inside come from contrasting rock hues and the lichens and algae covering them. For hikers, the Cavern Point Loop is a solid two-mile trek with absolutely stellar views of the California coast across the Santa Barbara Channel. If you’re feeling ambitious, the 9-mile Montañon Ridge Loop will humble you with a climb to 1,800 feet, but the panoramic views make it worth every step. You can also camp at Scorpion Canyon Campground, snorkel through kelp forests, and if you time it right, spot whales and dolphins during the ferry ride.

What makes this place even more inspiring is the conservation success happening here. The bald eagle population nearly vanished due to DDT use in the postwar era, but after 28 years of conservation efforts, the first eaglet hatched without human intervention in 2006, the first in over 50 years. The island fox population, threatened by feral pigs and golden eagles in the 1990s, also made an incredible recovery after conservation efforts removed those predators. It’s a powerful reminder that we can actually reverse environmental damage when we commit to it.

To visit, book your Island Packers ferry from Ventura in advance. Whether you go for a day trip or camp overnight, bring everything you need on the ferry since island amenities are limited. The remoteness is part of the appeal, you’re escaping the chaos without actually going that far from home.