This sustainable capital city will charm you with its beautiful sea-facing landscape, diverse architecture and world-famous design. While the city is modern and lively, the archipelago and green forests are quickly reached via an efficient public transportation system for those looking for nature.

A popular tourist destination in Mexico's Quintana Roo, Playa del Carmen is a coastal playground with plenty of nightlife, dining, and shopping.

Raise a glass and toast Würzburg, an enchanting, Franconian wine-producing area on the Main River, and one of Germany's oldest cities. Wine bars and cellars abound here, but there's also plenty of wonderful history and striking Baroque and rococo architecture to behold.

Latvia is a republic in northeastern Europe. Riga, the capital and largest city, is also the country's chief port. The climate is dominated by marine influences in the west, with cool summers and mild winters; more continental conditions and greater climatic variation exist in the east. In Latvia, snow covers the ground from two to more than four months of the year. Summers are frequently hot, with average daily temperatures exceeding 25° C (about 80° F).

Regensburg, Germany’s medieval gem, will transport you to a bygone era. The site of both Celtic and Roman settlements, Regensburg flourished in the Middle Ages.