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.

Samarkand is one of Central Asia’s most storied cities, famed for its role as a crossroads of culture, science, and trade along the Silk Road. The heart of the city is the Registan, a grand square framed by three ornate madrasas decorated with vivid mosaics, intricate tilework, and soaring arches.

The Dades Gorges, carved by the Dades River in Morocco’s High Atlas Mountains, offer a winding stretch of road, towering rock walls, and centuries-old kasbahs perched on the cliffs. Located between the towns of Boumalne Dades and M’semrir, the gorge is especially known for its switchback road, often nicknamed “the snaking road of Tissadrine.” It’s a favorite among photographers and motorcyclists, with hairpin curves that reveal a new layer of landscape with every turn.

Riyadh blends stories from centuries with modern splendor. At its core stands Al Masmak Fortress, built of clay and mud-brick in the 19th century. It was the site that set the stage for the unification of Saudi Arabia. Today, it’s a museum that preserves weapons, historical displays, and accounts of that pivotal moment. Adjacent to the fortress, the Souq Al-Zal offers spices, traditional jewelry, and handmade crafts, connecting visitors to the city’s past through its alleyways.

Eze is a hilltop village perched high above the Mediterranean on France’s Côte d’Azur, where stone houses and narrow lanes cling to a steep rocky outcrop between Nice and Monaco.