If your trip to Cairns is all locked in but your travel itinerary is looking a little empty, let us give you a helping hand.If your family and friends ask why you're heading here, just show them some pictures of Esplanade Lagoon and Centenary Lakes Botanic Gardens. These fantastic attractions will guarantee you have an awesome trip.Near the city center, Cairns Esplanade is one sight to consider putting on your must-see list. Cairns Central Shopping Centre and Cairns Marlin Marina are also close by and worth a detour.