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.

Mexico offers the best beaches, scuba diving, nightlife, cultural attractions and cuisine in the world. Millions of people flock to this country every year for a well-needed vacation. Archaeological ruins, inexpensive shopping, and festive music are its foremost attractions.

Indonesia is an island republic of Southeast Asia, constituting most of the Malay Archipelago. The country consists of nearly 13,700 islands. Indonesia also shares the island of New Guinea: The western section, known as Irian Jaya (West Irian) and the eastern section is part of Papua New Guinea.

The Volga River is an emblematic waterway that meanders through the heart of Russia, offering an exceptional journey through the country’s rich cultural and historical tapestry. As Europe’s longest river, stretching approximately 3,530 kilometers (2,194 miles), the Volga flows from the Valdai Hills to the Caspian Sea, weaving through major cities such as Tver, Nizhny Novgorod, and Volgograd.

The Ionian Sea, a stretch of the Mediterranean nestled between Italy and Greece, offers a captivating blend of azure waters, picturesque islands, and rich history. The sea is framed by Italy's western coast and Greece's western islands, including Corfu, Kefalonia, and Zakynthos. These islands provide a gateway to some of the most stunning landscapes in the region, from the rugged cliffs of Zakynthos to the lush greenery of Kefalonia.