As a city located in a Baltic Sea archipelago, it's not surprising that Stockholm has 50 bridges and sightseeing boats moving people between its 14 islands. This contemporary and welcoming capital of Sweden is nonetheless easily navigable by foot. Every district here has a distinct flavor, from the sophisticated Östermalm to the bustling downtown energy of Norrmalm to the delightful Old Town.

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.

The capital of Ontario and Canada's largest city, Toronto is a vibrant destination on the banks of Lake Ontario. Highlights of this striking cultural capital include the looming CN Tower (featuring a revolving restaurant), Casa Loma, Toronto Island Park, Royal Ontario Museum, and Ripley's Aquarium of Canada.

Portsmouth is a coastal city in southeastern New Hampshire, positioned along the Piscataqua River near the state’s short Atlantic shoreline. Its compact downtown is known for brick buildings, narrow streets, independent shops, restaurants, galleries, and a busy waterfront. The city’s maritime setting remains central to its identity, with working docks and views across the river toward Maine. Prescott Park provides gardens and open space beside the water, while nearby islands, beaches, and coasta

Pebble Island is one of the larger islands in the northern part of the Falkland Islands, known for its open landscapes, long beaches, rocky shores, and low hills. The island stretches across a varied terrain of grassland, peat, freshwater ponds, and coastal cliffs, with several bays providing sheltered areas for wildlife. A small settlement serves as the island’s main community, while much of the surrounding land remains open and lightly developed.