A sinking coast, a chain of eruptions, and many millions of years created the Tropic of Capricorn's stunning seascape. Volcanic plugs, a gorgeous headline, and the world famous Great Barrier Reef remain a testament to this ancient world. You may be surprised to know the Great Barrier Reef, which thrives beyond the Keppel Group of Islands, is part of a coastal plain formed from the erosion of the Great Dividing Range! Heading west - Visit Capricorn Caves and Mount Etna Caves National Park. Fossick for 120 million year old thundereggs or 'volcanic birthstones' at Mt Hay. See the breathtaking sandstone plateau rising above Central Queensland's plains at Blackdown Tableland National Park. Heading east from Yeppoon you can hop aboard a regular ferry to scenic Great Keppel Island.