Delphi is an iconic historical site and was once the sacred precinct of classical Greece, due to its role in Greek myth as the seat of a prophetic oracle. Originally considered the center of the world by ancient Greeks, today's Delphi is a UNESCO World Heritage site and archaeological wonder, filled with the ruins of theaters, temples, treasuries, and other remains of centuries-old architecture.

The commercial and cultural center for the Ruhr region on the Rhine River, Duseldorff is also the site of the Felderhof Cave where Neanderthal man was found in 1856.

Roseau, the lively capital of Dominica, is a city where history and nature coexist in striking harmony. Established on the site of an ancient Kalinago settlement, the town reflects its colonial past through French-inspired architecture, colorful buildings, and historic churches.

Agrigento, located on the southern coast of Sicily, is a city steeped in history and renowned for its ancient Greek ruins. The crown jewel of Agrigento is the Valley of the Temples, a UNESCO World Heritage Site and one of the most spectacular archaeological sites in the Mediterranean. Visitors can marvel at the remarkably preserved Temple of Concordia, which dates back to the 5th century BC and is considered one of the best-preserved Greek temples in the world.

Berlin has an undeniable history. The horrors of World War II, division, reunification, revolution all profoundly impacted the city in the 20th century. Today, visitors will find a sophisticated, high-energy city with endless cultural, architectural and gastronomic attractions.