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.

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.

Remote, windswept, and bursting with wildlife, South Georgia is a sub-Antarctic island that surprises nearly everyone who steps ashore. Though uninhabited by civilians, the island hosts a small British research station and welcomes visitors via expedition cruises. What draws people here is not luxury or convenience, but the scale of its wildness.

Vietnam is a country where dramatic landscapes and deep-rooted traditions intertwine, creating a mosaic of experiences that stretch from misty northern mountains to the lush waterways of the Mekong Delta. Its history is marked by ancient kingdoms, colonial legacies, and a remarkable story of resilience in the face of conflict.

Puerto Rico, an unincorporated territory of the United States, is a Caribbean island rich in history, culture, and natural diversity. Its capital, San Juan, is a vibrant hub where centuries-old Spanish forts, pastel-colored colonial buildings, and lively plazas tell the story of the island’s complex past.