From the Book - First American edition.
Coral reefs: The Cook Islands
The Pacific Ocean: The White Shark Cafe
Wetlands: The Okavango Delta
Tributaries: Chambal River
The Weddell Sea: The Endurance shipwreck
Micro-aquatic habitats: The Amazon rainforest
Oceanic Islands: Ascension Island
Archipelagos: The Galápago Islands
Lagoons: Namibian Islands' Marine Protected Area
Southern Ocean: Antarctic ice shelves
Caves: The Cave of the Hanging Snakes
Endorheic basins: The Caspian Sea
Rivers: Yellowstone River.