8-day Itinerary for Toronto, Mississauga, and Halifax

1. Day 1: CN Tower and Ripley's Aquarium of Canada, Toronto
   30 minutes (11.2 km) from Toronto Pearson International Airport

   Marvel at the panoramic view of Toronto at the CN Tower, and experience aquatic wonders at Ripley's Aquarium.

2. Day 2: Casa Loma and St. Lawrence Market, Toronto
   20 minutes (8 km) from CN Tower

   Visit Casa Loma and explore its Gothic Revival architecture and beautiful gardens, then taste diverse food stalls at St. Lawrence Market.

3. Day 3: Niagara Falls and Niagara-on-the-lake, Mississauga
   1 hour 30 minutes (126 km) from Toronto

   Experience the massive power of Niagara Falls from a boat tour, then travel through the picturesque town of Niagara-on-the-lake for its historic sites and wine tastings.

4. Day 4: Toronto Islands, Toronto (Closed during winter)
   30 minutes (5.6 km) from Casa Loma

   Escape the bustling city and bike or hike around Toronto's peaceful islands for scenic views, beaches, and recreational activities.

5. Day 5: Halifax Citadel National Historic Site, Halifax
   30 minutes (31 km) from Halifax Stanfield International Airport

   Explore the historic site, watch the Changing of the Guard ceremony, and learn about Halifax's military history through exhibits and tours.

6. Day 6: Peggy's Cove and Lunenburg, Halifax
   1 hour (56 km) from Halifax Citadel National Historic Site

   Visit the iconic lighthouse and rocky landscape of Peggy's Cove, then enjoy a scenic drive to the charming town of Lunenburg, a UNESCO World Heritage site, for its colorful houses and rich maritime heritage.

7. Day 7: Halifax Public Gardens and Maritime Museum of the Atlantic, Halifax
   10 minutes (3 km) from Peggy's Cove

   Stroll through the beautiful Victorian-style Halifax Public Gardens, then learn about the city's connection to the Titanic and other maritime stories at the museum.

8. Day 8: Halifax Seaport Farmers' Market and Halifax Waterfront Boardwalk, Halifax
   15 minutes (6 km) from Halifax Public Gardens

   Find fresh local produce and artisanal products at the bustling farmers' market, and then enjoy a scenic walk, shops, and restaurants along the Halifax waterfront.

Time and Cost Estimates:

• CN Tower (2-3 hours, CAD 38)
• Ripley's Aquarium of Canada (2-3 hours, CAD 40)
• Casa Loma (2-3 hours, CAD 32)
• St. Lawrence Market (1-2 hours, cost varies)
• Niagara Falls (4-5 hours, CAD 92)
• Niagara-on-the-lake (2-3 hours, cost varies)
• Halifax Citadel National Historic Site (2-3 hours, CAD 11)
• Peggy's Cove (1-2 hours, free)
• Lunenburg (2-3 hours, cost varies)
• Halifax Public Gardens (1-2 hours, free)
• Maritime Museum of the Atlantic (1-2 hours, CAD 10)
• Halifax Seaport Farmers' Market (1-2 hours, cost varies)
• Halifax Waterfront Boardwalk (1-2 hours, free)
• Total Estimated Costs: CAD 275

Useful Tips:

If you have more time, you can add the Royal Ontario Museum, Art Gallery of Ontario, or Toronto Zoo in Toronto, or explore the scenic Cabot Trail and Cape Breton Island in Nova Scotia. If you have less time, you can skip some of the activities or shorten the time spent at each location, or combine Day 5 to Day 7 into one day. Don't forget to check for seasonal closures, weather, and traffic conditions for a smooth trip!