For 100 years, Gray Line has been recognized as the world’s leader in sightseeing. Gray Line Toronto is offering a number of sightseeing excursions that fits any travellers' needs. Our signature Niagara Falls Full Day and Niagara Falls Evening Light Tour offer a full day, fully escorted excursion which includes lunch or dinner, a ride on the Maid of the Mist, wine tasting, a drive through the historic community of Niagara-on-the-Lake, and a number of photo stops. Gray Line Toronto also offers our signature Hop-on-Hop-Off Double Decker City Tour of Toronto. Toronto City Tour tickets are valid for three days allowing flexibility to explore the city of Toronto at one’s own leisure.