Vilnius, the charming capital of Lithuania, is a city where historical grandeur meets vibrant modernity. The heart of Vilnius is its UNESCO-listed Old Town, one of the largest and most well-preserved medieval city centers in Europe. Wander through its cobblestone streets and admire the stunning Baroque architecture.

Located on the Adriatic, Koper is a coastal port city in Slovenia. Koper is home to a variety of architectural gems dating back centuries, especially near the city's central Tito Square. Koper's marina and beaches provide spectacular views of the Bay of Trieste, while the city's variety of museums, parks, restaurants, and bars offer plenty to explore and entertain.

There's plenty to explore in this vibrant Caribbean paradise. Visit one of the island's many beaches, including Bachelor's Beach, Te Amo Beach, and Sorobon Beach, take a stroll through the Bonaire Arts and Crafts Market, or visit Washington-Slagbaai National Park, where you'll likely catch a glimpse of many of the island's native birds and reptiles.

Oman is an independent state extending along the southeastern coast of the Arabian Peninsula. Oman falls naturally into three physical divisions: a narrow coastal plain, ranges of mountains and hills, and an interior plateau.

Seven miles outside of historic Athens, the Greek coastal city of Piraeus lies upon the sparkling waters of the Aegean Sea and is the largest passenger port in Europe, servicing nearly 20 million passengers per year.