Tunis' white-washed, blue-shuttered buildings hide a treasure trove of Arabic and Ottoman art. Inspect illuminated manuscripts from the Koran, follow the twists and turns of the fascinating old Medina (inner city), marvel at the ornate Palace of Dar Ben Abduallah and the magnificent Djamaa-Ez-Zitouna Mosque, whose 184 columns were "recycled" from the rocky ruins of Carthage.

Potsdam, the capital of Germany’s Brandenburg state, lies just southwest of Berlin and is best known for its grand palaces, landscaped gardens, and role as a seat of Prussian royalty.

Located at the foot of the Pyrenees in southwestern France, Lourdes is best known for the Marian apparitions reported by 14-year-old Bernadette Soubirous in 1858. These events transformed the small market town into one of the most visited pilgrimage sites in the world. The Sanctuary of Our Lady of Lourdes, which includes the Grotto of Massabielle, the Basilica of the Immaculate Conception, and the underground Basilica of St. Pius X, draws millions each year.

The Kenai Peninsula extends southwest from Anchorage into the Gulf of Alaska and is one of south-central Alaska’s most varied regions. Its landscape includes the Kenai Mountains, coastal forests, glaciers, broad river valleys, lakes, and a long shoreline along both Cook Inlet and the Gulf of Alaska. Communities such as Kenai, Soldotna, Seward, Homer, and Cooper Landing serve different parts of the peninsula, while the Kenai River and numerous smaller waterways connect the interior to the coast.

A major port city on the River Scheldt, Antwerp, Belgium, is a cultural, historical, and commercial hub and the country's most populous city. Known as the "diamond capital of the world," Antwerp is renowned for its cut diamonds.