Plovdiv, one of the oldest continuously inhabited cities in Europe, carries over 8,000 years of history layered into its streets. The Roman Theater, still in use today, was discovered by accident in the 1970s and now hosts operas and concerts overlooking the Rhodope Mountains. Nearby, visitors can walk the remains of a Roman stadium buried beneath the main pedestrian street, where modern shops and cafés stand above ancient foundations.

Bristol is a city in southwest England built around the River Avon, with a maritime history that has shaped its neighborhoods, architecture, and economy. The historic harbor occupies the center of the city, where former warehouses, quays, and docks have been adapted for museums, galleries, restaurants, and public spaces. Clifton Suspension Bridge spans the Avon Gorge and is one of Bristol’s most recognizable landmarks.

Western Sahara, (formerly Spanish Sahara), northwestern Africa, former overseas province of Spain partitioned in 1976 between Mauritania and Morocco, and since 1979, occupied entirely by Morocco.

Guimarães is a historic city in northern Portugal closely associated with the origins of the Portuguese nation. Known as the “Cradle of Portugal,” it developed around a medieval settlement whose historic center remains exceptionally well preserved. Narrow streets, granite buildings, arcaded squares, and traditional houses give the old town a distinctive architectural character.

Sonoma is a year-round haven that combines in one location everything you could desire in a memorable travel experience - the finest wine, dining, lodging, and spas, a flourishing arts community, interesting history and the bounty of Northern California's great outdoors.