Cairns is the majestic entrance to Australia's Great Barrier Reef. This warm, tropical destination is located in Far North Queensland. Must-see attractions in Cairns include the Tjapukai Aboriginal Cultural Park, which educates tourists about indigenous peoples, and restaurant and bar-dotted Cairns Esplanade, which has a lagoon for swimming.

Barranquilla sits near the mouth of the Magdalena River on Columbia's Caribbean side. It is a major seaport and a center of commerce, but everyone breaks loose for four days in February for one of the liveliest carnivals outside of Rio.

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.

Remich, often referred to as the “Pearl of the Moselle,” is a captivating town nestled along the Moselle River in Luxembourg. This riverside gem is known for its historic vineyards that have shaped the region’s culture for centuries. Visitors can stroll along the river promenade, enjoying views of the gently flowing water framed by rolling hills covered in vineyards that produce some of Luxembourg’s finest wines.

Part of the British Virgin Islands, Virgin Gorda is an island in the Caribbean famous for The Baths National Park, whose natural geologic granite formations dot the island's beaches and create stunning tidal pools and grottoes.