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12. Commune With the Dearly Departed—Florida
11. Float Through an Underwater Art Gallery—Mexico
10. Drift Between Two Continents—Iceland
9. Dive With Deep-Sea Unicorns—Canada
8. Venture Close to an Active Volcano—Indonesia
7. Swim With (Nearly) Every Fish in the Sea—Hawaii
6. Discover the Titanic of Oz—Australia
5. Get Beyond the Cage—Bahamas
4. Go Way Beneath the Surface—Belize
3. Catch an X-Ray View of Giant Rays—Hawaii
2. Solve an 8,000-Year-Old Mystery—Japan
1. Take the True Polar Plunge—Antarctica