Set on the Adriatic Sea, Zadar, Croatia, is a major Dalmatia historical center and a tourism magnet. Walk ancient streets, see Roman ruins and enjoy white-sand beaches.

Lucca, a Tuscan city surrounded by remarkably intact Renaissance walls, offers more than just postcard views. Known for its quiet streets and grand piazzas, Lucca stands apart with its circular street layout, still following the lines of a Roman amphitheater from centuries ago. The walls, now repurposed as a 4-kilometer tree-lined park, are a favorite route for locals and visitors who explore them on foot or by bike, passing old bastions and panoramic viewpoints along the way.

Guam, a vibrant island territory in the Western Pacific, offers travelers more than just sandy beaches and turquoise water. As the largest island in Micronesia, Guam has a dynamic past that’s shaped its present. Evidence of ancient Chamorro settlements can be found at sites like Latte Stone Park, where limestone pillars dating back over a thousand years stand tall.

Bar Harbor should be any traveler's Maine priority! Drink in a view of the Atlantic Ocean from the town pier, and be sure to get some lobster at one of the excellent local restaurants. Bar Harbor, a Mount Desert Island town, is also the portal to the rugged, recreational paradise Acadia National Park, where birding, whale-watching and kayaking is the order of the day. The park's Cadillac Mountain is the highest point on America's East Coast.

Lagos, Nigeria’s largest city and economic hub, is located on the country’s southwestern coast along the Atlantic Ocean. It is a bustling metropolis where modern skyscrapers and commercial centers meet historic neighborhoods and lively markets.