While we're sure we could name hundreds of unique things to do in Sydney over the vibrant summer months, if you're only visiting for a short trip it's essential to squash that list down and experience the best of the best activities, sights, eateries and Instagramable spots. To help you out, here's a list curated by the coolest locals on the block (our staff)! 1. Sydney Harbour It's best to get this one out of the way early, as of course it was bound to be on the list. Sydney