Located in Pennsylvania, Pittsburgh is one of the oldest cities in the nation.

Volcanoes National Park, in northwestern Rwanda, is a place where dramatic volcanic landscapes meet extraordinary wildlife encounters. Stretching across the Virunga Mountains, the park is dominated by five towering volcanoes whose slopes are cloaked in rainforest and bamboo.

Cornwall, a captivating coastal county in the southwest of England, offers a breathtaking blend of rugged landscapes, charming seaside villages, and rich cultural heritage. Known for its dramatic cliffs, golden beaches, and the turquoise waters of the Atlantic, Cornwall is a haven for nature lovers and adventure seekers alike. The iconic Land's End, the westernmost point of mainland England, offers sweeping ocean views and is perfect for scenic walks along the South West Coast Path.

Aalborg is the fourth largest city in Denmark and constitutes a natural center for the North Jutland region. In addition Aalborg is Denmark's largest conference center, outside Copenhagen. Aalborg has many cultural attractions which appeal to a wide variety of tastes; a varied night-life and more than 300 restaurants, bars and clubs.

Marbella, located between the Mediterranean Sea and the Sierra Blanca mountains, is often associated with its luxury resorts and famous marina, Puerto Banús. But beyond the polished storefronts and designer yachts, the city has a layered past. Its old town, known as Casco Antiguo, is a well-preserved network of narrow streets built during Moorish rule, with whitewashed buildings, flower-filled balconies, and hidden plazas like Plaza de los Naranjos, which dates back to the 15th century.