Lao Cai, a gateway city to the northern highlands of Vietnam, offers an alluring blend of cultural diversity, breathtaking landscapes, and a touch of French colonial heritage. Situated along the Red River and bordering China, Lao Cai is the starting point for adventurers heading to the famous terraced rice fields of Sapa, but it has its own unique charms to discover.

In the southern deserts of Peru, Nazca invites visitors to look beyond the horizon. This small city is world-famous for the mysterious Nazca Lines, enormous geoglyphs etched into the desert floor more than 1,500 years ago. From the air, shapes like hummingbirds, monkeys, and even a stylized astronaut come into view, some stretching over 300 meters. Their exact purpose remains a mystery, fueling decades of theories.

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.

The Sacred Valley, located in the Andes and divided by Urubamba River, was part of the larger Inca Empire, along with Machu Picchu and the closeby town of Cusco. Tourists will see green agricultural landscapes and Spanish hamlets like Ollantaytambo and Pisac, the latter featuring a Sunday market.

This Sicily harbor city is divided from Italy proper by the Strait of Messina. Visitors marvel at the Gothic, bell-towered Norman Messina Cathedral.