Santiago, Chile’s capital and largest city, sits in a valley surrounded by the snow-capped Andes and the Chilean Coast Range. Plaza de Armas, the grand heart of the city’s old colonial core, is home to 2 neoclassical landmarks: the 1808 Palacio de la Real Audiencia, housing the National History Museum, and the 18th-century Metropolitan Cathedral. La Chascona is the home-turned-museum of poet Pablo Neruda.

Walvis Bay is a port town on the coast of Namibia. Sheltered by the Pelican Point sand spit, its tidal lagoon is home to abundant birdlife including flamingos, pelicans and Damara terns. The harbor is busy with fishing boats and ships. Dolphins, whales and Cape fur seals inhabit the Atlantic waters around the Pelican Point Lighthouse. East of the bay, coastal sand dunes like Dune 7 mark the start of the Namib Desert.

Lüderitz is a coastal town in southwestern Namibia. It’s known for its German colonial buildings, including the art nouveau Goerke Haus, built into the rock face on Diamond Hill. Nearby, Felsenkirche is a hilltop church with panoramic bay views stretching around to Robert Harbor. The Lüderitz Museum has displays about the town’s diamond-mining past as well as local and natural history.

Cape Town is a port city on South Africa’s southwest coast, on a peninsula beneath the imposing Table Mountain. Slowly rotating cable cars climb to the mountain’s flat top, from which there are sweeping views of the city, the busy harbor and boats heading for Robben Island, the notorious prison that once held Nelson Mandela, which is now a living museum.