Windhoek, the capital city of Namibia, is a vibrant and cosmopolitan hub nestled in the heart of the country. With its mix of German colonial architecture and modern African charm, Windhoek offers visitors a unique blend of history and contemporary culture. The city’s skyline is dominated by the striking Christuskirche, a Lutheran church built in 1907, which stands as a symbol of Namibia's German colonial past.

Arequipa, known as the "White City," is built from sillar, a pale volcanic stone that glows in the sunlight. This architectural detail gives the historic center its striking appearance and has earned it recognition as a UNESCO World Heritage Site. Towering above the city is the perfectly symmetrical Misti Volcano, which, along with two neighboring peaks, forms a dramatic backdrop.

You'll know why picturesque Grenada is known as the "spice island" when you notice the scent of nutmeg, vanilla and cocoa in the air. Grenada's waterfalls, lush rain forests, volcanic crater lake, tiny villages, cocoa, nutmeg and banana plantations, rum distilleries, scenic hiking trips, pristine coral reefs, and hidden-away unspoiled beaches all make Grenada one of the most popular ecotourism destinations for those who like to discover off-the-beaten-track natural beauty and charm.

Kochi (formerly Cochin), is a port city on the southwest coast of India and is a frequent stop for cruise ships. Known as the "Gateway to Kerala," Kochi's beaches, delectable seafood, expansive malls, historical sites, and museums make it a popular tourist destination.

Southeast Spain's seaport of Cartagena is a large naval base on the Mediterranean coast. The city was founded in 220 B.C. and boasts Roman ruins, mosaics and murals.