Todgha Gorge is a dramatic limestone canyon in Morocco’s eastern High Atlas Mountains, close to the oasis town of Tinghir. The Todgha River has cut a deep passage through the mountains, leaving towering rock walls that rise to around 300 meters in places. At its narrowest, the gorge contracts to roughly 10 meters across, creating a striking corridor of stone and sky.

Sinaloa, in Northwest Mexico, comprises 18 municipalities, and Culiacán Rosales serves as its capital. It is located opposite Baja California Sur, across the Gulf of California.

This cultural capital and university city holds more than 2,000 years of history and is the cultural hub of Germany. Marvel at the gorgeous twin-spired Cologne Cathedral, known for its gilded medieval reliquary and sweeping river views, or lose yourself in one of Colonge's many museums for a few hours. Cologne boasts of having most pubs per person in Germany, so make sure you sit down for a refreshing regional Kölsch beer during your travels!

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.

Chiang Rai, in northern Thailand near the borders with Laos and Myanmar, is a city where history, art, and tranquil landscapes converge. Founded in the 13th century as the first capital of the Lanna Kingdom, it retains a strong sense of heritage while also serving as a hub for contemporary Thai creativity.