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.

Fairbanks is the largest city in Alaska’s Interior and a major center for the region’s communities, education, transportation, and commerce. Located along the Chena River, it lies north of Denali National Park and south of the Arctic Circle. The city is known for dramatic seasonal changes, including long summer days and extended winter darkness.

Kitakyushu, located in northern Kyushu, Japan, is a city that seamlessly combines industrial prowess with cultural and natural attractions. Formed from the merger of five cities in 1963, Kitakyushu has a strong industrial history, particularly in steel production, while also investing heavily in environmental sustainability and urban revitalization.

Pulau Ubin, an island northeast of mainland Singapore, offers a glimpse into the country’s past with its preserved kampong (village) atmosphere and rustic landscapes. Unlike the modern cityscape of Singapore, Pulau Ubin retains its traditional charm, with wooden houses, coconut palms, and unpaved roads where bicycles are the main mode of transport.

Maryland, a state rich in history and natural beauty, offers a diverse array of experiences for visitors. The city of Baltimore, with its vibrant Inner Harbor, serves as a cultural hub. The National Aquarium, featuring marine life from around the globe, is a highlight, while the nearby National Great Blacks in Wax Museum offers a profound look into African American history.