Lac Abbe, straddling the border between Djibouti and Ethiopia, is one of East Africa’s most otherworldly landscapes.

Manaus, capital of Brazil’s Amazonas state, is a city that rises unexpectedly from the rainforest. Once the center of the global rubber boom in the late 1800s, Manaus still holds onto that legacy with surprising elegance. The Teatro Amazonas, an opulent opera house imported piece by piece from Europe, sits at the heart of the city, its pink façade and domed roof tiled in the colors of the Brazilian flag. Today, it hosts concerts, festivals, and curious visitors eager to step back in time.

Barca d'Alva sits quietly along the Douro River, right at Portugal’s eastern border with Spain. Once the final stop on the historic Douro railway line, this riverside village remains relatively untouched by mass tourism. The surrounding landscape filled with terraced vineyards, olive groves, and almond trees form part of the UNESCO-listed Alto Douro Wine Region.

Princess Cays is a port of call and resort destination exclusive to Princess Cruises. Located in the Bahamas, Princess Cays is a fun and scenic stop with ample opportunity for snorkeling, hiking, and boating.

A lesser-known river port in the Mekong Delta, Sa Dec was once the capital of Dong Thap province of southern Vietnam. Today, it is best known for its flower gardens and authentic bustling market. The city is also famous as the setting for French writer Marguerite Duras' 1984 novel, The Lover, and its 1991 film adaptation of the same name.