If your trip to Niagara Falls is all booked but your itinerary is looking a bit empty, let us give you a few hints and tips.If there's one thing that encapsulates Niagara Falls, it's Niagara Falls State Park. Be sure to get loads of awesome photos standing in front of this famous sight to show off to your friends when you return home.Explore the best that this city has to offer by adding Cave of the Winds and Niagara Gorge Discovery Center to your travel itinerary. If you've got some extra time, take a look at Aquarium of Niagara and Whirlpool State Park too.Not far from the city center, Rainbow Bridge is one spot you might like to add to your must-see list. Seneca Niagara Resort & Casino and Observation Tower are also nearby and worth checking out.