Coimbra, set along the banks of the Mondego River in central Portugal, is a historic city known for its academic legacy and old-world charm. Once the medieval capital of Portugal, it is home to the University of Coimbra, one of the oldest in Europe and a UNESCO World Heritage Site.

Originating as a tiny fishing village in 1038, modern Kehl has become an important link between Germany and France. Rhine River cruises most often use Kehl as their gateway to the much larger and better-known Strasbourg. The savvy traveler, though, might choose to skip the jaunt across the river and enjoy many similar sights, shopping and cuisine as those offered in the teeming French city.

Port Moresby sits by the Coral Sea as Papua New Guinea’s capital and shows visitors a city of contrasts where glittering new buildings rise beside traditional villages built on stilts. One such place is Hanuabada, the original Motuan village, where roofs reach above water’s edge and everyday life still unfolds in Tok Pisin and local tongue.

Hwange National Park, located in western Zimbabwe, is the country’s largest protected area and one of Africa’s premier wildlife reserves. Covering more than 14,600 square kilometers, it is renowned for its extraordinary diversity of animals and habitats.

Monastir, a coastal gem in Tunisia, offers a perfect blend of history, culture, and sun-soaked relaxation. Overlooking the azure waters of the Mediterranean Sea, the city is famous for its majestic Ribat, a well-preserved Islamic fortress dating back to 796 AD. This imposing structure, used historically to defend against Byzantine and European invaders, offers visitors panoramic views of the coastline and the city below.