Londonderry, often called Derry, is a city steeped in history and charm, uniquely surrounded by remarkably well-preserved 17th-century walls. In fact, it holds the title of being the only completely walled city in all of Ireland. Strolling along these ancient ramparts offers visitors not only a glimpse into the past but also breathtaking panoramic views of the winding River Foyle and the lively streets below.

The Pacific Ocean is both the largest and the deepest ocean on Earth. It extends from the Americas in the east to Asia and Australia in the west, and from the Artic Ocean in the north to Antarctica in the south.

A must-see in this centrally located Sicilian town is the 3rd century Villa Romana del Casale.

Montbard is a small Burgundy town shaped by the legacy of naturalist Buffon, with terraced gardens, medieval remains, and the Canal de Bourgogne running through its landscape. Beyond Parc Buffon, it offers easy access to Fontenay Abbey and the Grande Forge de Buffon, while local specialties such as Saupiquet Montbardois give the town a distinct regional identity.

The skyline of Erfurt is shaped by dozens of churches, monasteries, and convents thrusting their pointed steeples upward to the sky. In the Middle Ages, Erfurt was known as "Thuringian Rome" because of its religious orders. The impressive twin churches on the Domberg (Cathedral Hill), the Roman Catholic St. Mary's Cathedral (14th century) and the Roman Catholic Parish church St. Severus with a flight of 70 outdoor steps leading from the Cathedral Square up the hill to the churches.