Diego Garcia — UK-Controlled Island You Can’t Visit

Australia’s Macquarie Island — Where Earth’s Mantle Is Exposed

Hawaii’s Niʻihau Island — Protected by a 150-Year-Old Promise

Henderson Island — Forbidden Island Polluted by Ocean Plastic

We are gifting a 3-day Channel Islands National Park adventure for two! One lucky winner and a friend will get to: 🛶 Kayak through world-renowned sea caves 🌅 Hike to awe-inspiring vistas 🤿 Snorkel in biodiverse kelp forests ⛺️ Camp on a remote island 🦊 Encounter endemic island wildlife The prize includes @sbadventureco round-trip ferry tickets, two nights at Santa Cruz Scorpion Campground, an Adventure Sea Cave Kayak Tour, snorkel rentals, and some cool Santa Barbara Adventure Company merch.

Why Is Jeju Island So Different From South Korea? #korea #history #geography #maps

Australia’s Heard Island — Almost Impossible to Visit

Russia’s Krenitsyna Volcano — Island Almost No One Can Visit