What are some popular attractions near London, Ontario?

Niagara Falls, just about 2 hours from London, offers views of the Niagara Gorge, a zipline experience, boat tours, helicopter rides, a butterfly conservatory, and sprawling wineries. Campers have a range of accommodations to choose from, including pull-through RV campsites, large-capacity cabins, and tent campsites equipped with firepits and picnic tables.