In Australia, I've been to QLD, NSW, VIC, Alice Springs/Uluru and Perth.

Outside Australia, I've been to Bali, Papua New Guinea, Fiji, Vanuatu, the US (including Alaska), Vancouver, Chile, Argentina, Bolivia, Peru, Ecuador, Colombia, Venezuela, Brazil, Tunisia, Egypt, Germany, France, Spain, Belgium, Slovenia, Oslo, London, Prague, Belgrade, Turkey and Antarctica.

If anyone wants any travel tips to those places, feel free to message me!

(BTW I have no kids yet, so can't really advise specifically on travel with children.)