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.

Frutillar is a small city on the western shore of Lake Llanquihue in southern Chile, with views across the water toward the snow-covered Osorno, Puntiagudo, Tronador, and Calbuco volcanoes. Its waterfront is defined by a long promenade, gardens, and dark volcanic-stone beaches, while wooden houses and carefully maintained public spaces give the town a distinctive appearance.

Vilnius, the charming capital of Lithuania, is a city where historical grandeur meets vibrant modernity. The heart of Vilnius is its UNESCO-listed Old Town, one of the largest and most well-preserved medieval city centers in Europe. Wander through its cobblestone streets and admire the stunning Baroque architecture.

Eureka is a coastal city in Northern California and the largest urban center on Humboldt Bay. It lies between the Pacific Ocean and the forested hills of the Coast Ranges, with redwood country extending inland and wetlands surrounding parts of the bay. Eureka developed as a port and commercial center for the timber industry, and its historic downtown retains many Victorian-era buildings.

Hot Springs, Arkansas has been drawing visitors for centuries, and it all starts with the water. The city sits atop a natural thermal spring system that produces nearly a million gallons of 143-degree water each day. These springs gave rise to Bathhouse Row, a stretch of eight historic bathhouses within Hot Springs National Park. Some, like the Fordyce Bathhouse, now serve as museums, while others still offer traditional thermal soaks.