2. Oldest Australian fossil

3. What is a Stromatolite?
Stromatolites are layered  structures formed in shallow water by the trapping, binding and cementation of sedimentary grains by biofilms of microorganisms. Fossilized stromatolites provide ancient records of life on earth, which may date from 3.7 billion years ago. They are located in Shark Bay in Australia.
Shark
Bay

4. Shark Bay

5. Shark bay is 1500 km on the coast line
One of WA's most biologically rich habitats
Free to go, (unless you mean the cost to fly)
It takes 23 hours to fly to Australia

6. This is what Shark Bay looks like: