This 2,000-year-old city, where the Teutonic Order founded one of its first commanderies in the 13th century, lies on the convergence of the Moselle and Rhine Rivers.

This small cruise port is located in Mexico's Yucatan peninsula south of Playa del Carmen, near Belize. It is famous for Chacchoben, a breathtaking set of Mayan ruins. The port has a new and modern shopping mall and the central plaza has saltwater pools and 'swim-up' style bars for tourists to enjoy.

Located in the Coral Sea, just off the eastern coast of Australia, the Great Barrier Reef is the largest system of coral reefs in the world and a colorful ecosystem home to a variety of marine life, including sea turtles, fish, sharks, stingrays, and corals.

Kobe, Japan is a beautiful port city renowned for its historic shrines, botanical gardens, hot springs, and marbled Kobe beef. Highlights of this Japanese retreat include Ikuta Shrine, thought to be one of Japan's oldest Shinto shrines, Kobe Nunobiki Herb Botanical Gardens, Mount Rokkō, and Arima Onsen, a popular hot springs resort surrounded by Japanese maple trees.

A Caribbean island paradise, Cozumel lies a short distance from Mexico's Yucatán Peninsula. Visitors can enjoy a variety of activities, whether taking advantage of world-class snorkeling and scuba diving, swimming with dolphins, or lounging with a drink at one of the island's seaside resorts.