Trier, Germany’s oldest city, is a living museum nestled in the Moselle Valley, where Roman ruins rise beside medieval churches and bustling market squares. Founded by the Romans in 16 BCE, Trier was once known as “Roma Secunda,” the second Rome, and still boasts the largest collection of Roman architecture north of the Alps. The Trier Cathedral (Dom St. Peter), which is a UNESCO World Heritage Site, is the oldest church in Germany and houses a relic said to be the Holy Robe of Christ.

Krk, the largest island in the Adriatic Sea, offers a captivating blend of historical charm and natural beauty. The city of Krk, located on the island's southwestern coast, is renowned for its rich cultural heritage and stunning coastal scenery. The city's historical heart is its Old Town, where ancient walls and charming narrow streets lead visitors through centuries of history.

Dominica, known as the “Nature Island of the Caribbean,” is a haven for eco-tourists and adventure seekers. Nestled between the French islands of Guadeloupe and Martinique, this lush island boasts a remarkable landscape of volcanic mountains, dense rainforests, and stunning waterfalls. Dominica’s most iconic natural wonder is the Boiling Lake, the second-largest hot spring in the world.

Roscommon is a county town in Ireland’s Hidden Heartlands, surrounded by the rural landscapes of central Ireland. The town is known for its collection of historic buildings and its position within a wider countryside of lakes, rivers, woodland, and farmland. Roscommon Castle, a substantial medieval fortress, stands beside Loughnaneane Park, while Roscommon Abbey and the former gaol add further layers to the town’s architectural heritage.

Waterford, Ireland’s oldest city, offers a captivating mix of Viking and medieval history, with landmarks like the Waterford Treasures museums and the House of Waterford Crystal showcasing its rich heritage and craftsmanship. Beyond its history, Waterford boasts stunning coastal beauty, especially along the UNESCO-listed Copper Coast, where dramatic cliffs, hidden beaches, and charming villages invite exploration.