Potosí rises on the Altiplano of southern Bolivia and for centuries it was one of the richest cities in the world because of what lies just beyond its streets. At the foot of Cerro Rico (“Rich Mountain”), silver was discovered in the mid-1500s, and within a few decades the city became a center of mining and wealth that shaped global trade and economies.

Must-sees in Seville include the landmark palace Royal Alcázar of Seville, the Gothic, bell-towered Catedral de Sevilla, and Plaza de España, an architectural marvel with Moorish, Baroque and Renaissance influences. Meanwhile, Museo del Baile Flamenco is the place to learn about flamenco dancing culture.

Takayama, located in Japan’s mountainous Gifu Prefecture, is a city where traditional culture and natural beauty are remarkably well preserved.

Lukla, a mountain town perched at 2,860 meters in eastern Nepal, is best known as the gateway to the Everest region. The town is home to Tenzing-Hillary Airport, one of the world’s most thrilling landing strips, named after the legendary climbers who first reached Everest’s summit in 1953. The short, sloped runway hugs the mountain, offering a once-in-a-lifetime arrival that travelers remember long after their journey ends.

Ao Nang is a coastal town in Thailand’s Krabi province, set against a backdrop of limestone cliffs that rise abruptly from the shoreline. Once a quiet fishing village, it has grown into a lively seaside hub while still retaining strong ties to the surrounding landscape.