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.

Pennsylvania has an impressive history and boasts walkable cities with a modern touch, lush forests, and charming small towns. Attractions in the state include Hersheypark, the Philadelphia Museum of Art, the Liberty Bell, and the horticulturally rich Longwood Gardens.

Mongolia's capital and largest city Ulaanbaater, includes many points of interest: Mongolia's State Archives and State Public Library, which contains about 3 million volumes; the State Central Museum, which contains art treasures and antiquities; the Fine Arts Museum, with a collection of painting and sculpture; two museums with items from the revolutionary movement; and the Museum of Religion, with a collection of Lamaist relics.

Panama City, the vibrant capital of Panama, is a city where modernity meets history in a striking blend. As you stroll through its lively streets, the futuristic skyline is crowned by the awe-inspiring Panama Canal, an engineering marvel that has shaped global trade for over a century. The canal's Miraflores Locks Visitor Center offers an up-close look at the massive ships navigating through this critical waterway, complete with panoramic views.

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.