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.
Stromboli is a small volcanic island in the Tyrrhenian Sea, just off the north coast of Sicily. Referred to by some as the "Lighthouse of the Mediterranean," Stromboli is in a constant state of mild volcanic activity, so don't venture out on a hike without an experienced guide.
Ziguinchor is the regional capital of Casamance in southern Senegal, situated along the Casamance River in a landscape of waterways, mangroves, palm groves, rice fields, and wooded areas. Its riverfront setting gives the city a character that differs from the drier regions farther north. Ziguinchor is an important commercial and transport center for Casamance, with connections by road and river to communities throughout the region.
Black Hills National Forest covers a mountainous island of forests in western South Dakota, surrounded by the open plains of the Great Plains. The landscape includes granite peaks, narrow canyons, ponderosa pine forests, lakes, streams, and rolling grasslands. The forest stretches across a large portion of the Black Hills and contains some of the highest elevations in the region.