What do a prawn, a banana, a pineapple, and a sheep all have in common?

Long family road trips in Australia offer some big reasons to pull over.

The Big Banana at Coffs Harbour, the Big Merino in Goulburn, and the Big Lobster in South Australia are just a few of the country's many giant landmarks.

Now there's talk of building a giant pear in Shepparton, Victoria.

So, what's the deal with Australia's obsession with Big Things?