A true gem on the Caribbean coast, the port city of Cartagena (Cartagena de Indias) welcomes visitors with its charming old town, colonial buildings, and exceptional beaches. A popular cruise ship stop, many seafarers find themselves honorary Cartagenans, as they stroll shady, cobblestone lanes and gaze upon impressive churches.

Volcanoes National Park, in northwestern Rwanda, is a place where dramatic volcanic landscapes meet extraordinary wildlife encounters. Stretching across the Virunga Mountains, the park is dominated by five towering volcanoes whose slopes are cloaked in rainforest and bamboo.

The Snæfellsnes peninsula in western Iceland is sometimes referred to as "Iceland in Miniature" thanks to the many national sights found in the nearby area. The diverse landscape includes fascinating vistas of glistening fjords, dramatic volcanoes, and rugged seascapes.

Tucked away in the heart of the Pacific Ocean, Nauru is one of the world’s smallest and least visited countries being an island nation just 21 square kilometers in size, with a population under 10,000. But its compact size makes exploring simple and rewarding. Visitors can circle the entire island by car in under an hour, taking in stunning ocean views, remnants of World War II bunkers, and clusters of colorful homes that speak to Nauru's resilient spirit and layered past.

Key Largo, the northernmost of the Florida Keys, is renowned for its pristine natural beauty and vibrant marine life. As part of the Florida Keys archipelago, Key Largo is a gateway to the spectacular underwater world of the John Pennekamp Coral Reef State Park, the first underwater park in the U.S. Here, visitors can explore vibrant coral reefs through snorkeling and scuba diving, or take a glass-bottom boat tour to marvel at the colorful marine ecosystems without getting wet.