Bamberg, located in northern Bavaria, stands out for its remarkably preserved medieval layout, which earned it a spot on the UNESCO World Heritage list. Built on seven hills and often compared to Rome for that reason, the city’s architecture reflects over a thousand years of uninterrupted development. Bamberg is well known for its beer, and not just in the usual Bavarian sense. The city has more breweries per capita than any other town in Germany, and it’s the birthplace of rauchbier.

Baku, the capital of Azerbaijan, rises on the shores of the Caspian Sea as a city of striking contrasts. Its futuristic skyline, defined by the Flame Towers, glows each evening in waves of light, while the UNESCO-listed Old City preserves centuries of history within its fortified walls.

Caernarfon, a town in northwest Wales, is famed for its medieval heritage, most notably Caernarfon Castle, a UNESCO World Heritage Site built by Edward I in the late 13th century.

Evidence of our nation's birth abounds in Boston, a hub of revolution that is essentially the oldest city in the United States. Visitors are compelled to walk the 2.5-mile Freedom Trail around the city center, and bear witness to 16 historical locations related to the history of America.

Derry stands on the banks of the River Foyle in Northern Ireland and is known for its intact seventeenth-century city walls, steep streets, and strong local identity.