Seen from the train, Durham presents a magnificent sight, with cathedral and castle perched atop a bluff enclosed by a loop of the River Wera, and linked to the suburbs by a series of sturdy bridges.

The capital of Ontario and Canada's largest city, Toronto is a vibrant destination on the banks of Lake Ontario. Highlights of this striking cultural capital include the looming CN Tower (featuring a revolving restaurant), Casa Loma, Toronto Island Park, Royal Ontario Museum, and Ripley's Aquarium of Canada.

Potsdam, the capital of Germany’s Brandenburg state, lies just southwest of Berlin and is best known for its grand palaces, landscaped gardens, and role as a seat of Prussian royalty.

This southern Mexican state borders Guatemala. Its mountainous highlands and dense rainforest are dotted with several Mayan archaeological sites and Spanish colonial towns.

Boise, Idaho, often surprises first-time visitors with its dynamic mix of western history, creative culture, and easy access to outdoor experiences. Nestled at the base of the Boise Foothills, the city has grown from a 19th-century outpost into a capital city with a distinctly independent spirit. The downtown core is walkable and welcoming, where historic buildings now house coffee shops, craft breweries, and local boutiques.