Begin your day with a scenic drive to Niagara Falls, one of the world’s most famous natural attractions. Upon arrival, embark on the thrilling Hornblower boat tour that takes you up close to the powerful waterfalls. Afterward, experience the "Journey Behind the Falls," where you'll descend to an observation deck behind the thundering cascades. In the afternoon, explore the charming town of Niagara-on-the-Lake or visit local wineries before heading back to Toronto for an overnight stay.

Today, explore the vibrant city of Toronto on a guided city tour. Start with a visit to the Harbourfront for stunning lakeside views, then head to the historic Distillery District, known for its beautifully preserved Victorian-era industrial architecture and trendy boutiques. Visit the Royal Ontario Museum, where you can explore exhibits on world cultures and natural history. Spend the evening at leisure, dining at one of the city's many diverse restaurants.

Travel east to Kingston for a cruise through the scenic Thousand Islands, a stunning archipelago along the Canada–U.S. border. The cruise offers breathtaking views of tiny islands dotted with luxurious summer homes and historic castles. After the cruise, enjoy a guided tour of Kingston, a charming town known for its 19th-century limestone buildings and rich history. In the late afternoon, transfer to Quebec City for an overnight stay.

Spend the day exploring the UNESCO World Heritage site of Old Quebec. Wander the cobblestone streets lined with charming boutiques, cafés, and centuries-old architecture. Highlights include the Château Frontenac, the iconic hotel overlooking the St. Lawrence River, and the Place Royale, the heart of the city's French colonial past. In the afternoon, visit Montmorency Falls, a stunning waterfall that is even taller than Niagara Falls. Enjoy an evening at leisure in Quebec City, taking in the city's unique European charm.

On your final day, travel to Montreal, a cosmopolitan city known for its blend of French and English influences. Start with a visit to the stunning Notre-Dame Basilica, famous for its intricate Gothic Revival architecture and breathtaking stained-glass windows. Continue to Old Montreal, where you can explore the historic streets, bustling markets, and artisanal shops. In the afternoon, transfer to the airport for your departure, marking the end of your Eastern Canada adventure.