San Pedro de Atacama, a small town in northern Chile, sits at over 2,400 meters above sea level in one of the most geologically diverse areas on Earth. Surrounded by volcanoes, salt flats, geysers, and ancient lava flows, it has long served as a gateway to the Atacama Desert. This desert is the driest non-polar place in the world, where some weather stations have never recorded rainfall.

Hvar is a resort town and island off the coast of Croatia. A tourist destination with spectacular views of the Adriatic Sea, Hvar is popular for its beaches and is a favorite port for yacht cruises.

Warnemunde (or Warnemünde) is a port city in Germany and a frequent stop on many Northern European cruises. Across the Baltic Sea from Denmark's capital, Copenhagen, this charming seaside city has a number of delightful attractions, including the Warnemünde Lighthouse, a variety of local shops along the marina, and surfing lessons on the beach.

Libreville, the capital of Gabon, stretches along the Atlantic coast with a mix of modern streets, colonial-era buildings, and bustling markets.

Madagascar, the world’s fourth-largest island, lies off the southeastern coast of Africa and is renowned for its extraordinary biodiversity and unique landscapes. Its rainforests, spiny deserts, and highland plateaus provide habitats for species found nowhere else on Earth.