Ontario is Canada's most densely populated province, harboring such cosmopolitan cities as Toronto and Ottawa. Millions of tourists come into Ontario every year, and industry and farming are the chief industries along the Great Lakes.

Plovdiv, one of the oldest continuously inhabited cities in Europe, carries over 8,000 years of history layered into its streets. The Roman Theater, still in use today, was discovered by accident in the 1970s and now hosts operas and concerts overlooking the Rhodope Mountains. Nearby, visitors can walk the remains of a Roman stadium buried beneath the main pedestrian street, where modern shops and cafés stand above ancient foundations.

Travelers on the Arabian Sea often find themselves in Muscat, on the Gulf of Oman. This port capital is situated between ocean and mountains, and boasts lovely beaches, great diving sites (watch for turtles!), 16th-century forts, and the impressive Sultan Qaboos Grand Mosque, which can hold 20,000 people.

Mbabane, the capital of Eswatini, sits high in the Mdzimba Mountains, offering visitors fresh air, rolling green hills, and a relaxed pace of life.

East of Anchorage and Chugach State Park, College Fjord offers a glimpse into some of Alaska's most beautiful natural landscapes. Located in Prince William Sound, College Fjord is filled with stunning glaciers and is a popular site for Alaskan cruises.