Silistra, a charming city located on the southern bank of the lower Danube River in Bulgaria, is a hidden gem that seamlessly blends ancient history with natural beauty.

Antigua and Barbuda are located in the middle of the Leeward Islands in the Eastern Caribbean. Antigua, the largest of the British Leeward Islands, is about 14 miles long and 11 miles wide, encompassing 108 square miles. Barbuda, a flat coral island with an area of only 68 square miles, lies approximately 30 miles to the north. The population is approximately 68,000 and its capital is St. John's on Antigua.

Londonderry, often called Derry, is a city steeped in history and charm, uniquely surrounded by remarkably well-preserved 17th-century walls. In fact, it holds the title of being the only completely walled city in all of Ireland. Strolling along these ancient ramparts offers visitors not only a glimpse into the past but also breathtaking panoramic views of the winding River Foyle and the lively streets below.

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.

On the Nile's east bank sits Luxor, a onetime stronghold for Egyptian pharaohs. Key sites include Luxor Temple, Karnak Temple, and the Valley of the Kings.