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. Founded by the Romans as Durostorum, Silistra is one of Bulgaria’s oldest cities, offering a wealth of historical sites that transport visitors back to the Roman Empire. The Silistra Roman Tomb, with its well-preserved frescoes, stands as a testament to the city’s rich past and is a must-visit for history enthusiasts.

Long regarded as one of the freest-thinking college towns in the U.S., Ann Arbor is home to the University of Michigan, the Gerald R. Ford Presidential Library and Domino's Pizza. While you're in Ann Arbor, be certain to see the city's many fascinating historic buildings; the Kelsey Museum of Ancient and Medieval Archaeology; and Kerrytown (a diversity of specialty shops and eateries in restored 19th-century buildings close to the Farmers Market).

Framed by an array of tropical flowers, "miniature" houses painted in a pastel palette will enchant you. But, a splash of watercolors is all you'll see as you zip by on a moped. It won't be long before you find the perfect spot for a beach picnic and afternoon of snorkeling.

Niamey, the capital of Niger, sits along the banks of the Niger River and serves as the country’s political, economic, and cultural center. Its riverside setting provides both scenic views and a hub for local activities, from fishing to small boat transport.

North of Cancun, the island was first discovered by the Spanish in the 1500's. It has numerous Mayan ruins, many badly eroded. It is also a sanctuary for sea turtles.