Hilo, the charming and laid-back gateway to Hawaii’s Big Island, offers an authentic Hawaiian experience steeped in natural beauty, history, and culture. As the largest town on the east side of the island, Hilo sits at the foot of two majestic volcanoes: Mauna Loa, the world's largest volcano, and Mauna Kea, a dormant volcano that hosts some of the world's most advanced astronomical observatories.

Willemstad, the capital of Curaçao, is unlike any other city in the Caribbean. With its pastel-colored buildings lining the waterfront and a layout shaped by Dutch colonial planning, the city blends European design with Caribbean culture. Its historic center, divided by Sint Anna Bay into Punda and Otrobanda, has been recognized as a UNESCO World Heritage Site.

Originating as a tiny fishing village in 1038, modern Kehl has become an important link between Germany and France. Rhine River cruises most often use Kehl as their gateway to the much larger and better-known Strasbourg. The savvy traveler, though, might choose to skip the jaunt across the river and enjoy many similar sights, shopping and cuisine as those offered in the teeming French city.

Mammoth Lakes, tucked into California’s Sierra Nevada mountains, is a year-round destination that combines alpine scenery with outdoor adventure. Known for its crisp mountain air and dramatic landscapes, the town sits near the eastern entrance to Yosemite National Park, making it an ideal base for exploring the region.

Volcanoes National Park, in northwestern Rwanda, is a place where dramatic volcanic landscapes meet extraordinary wildlife encounters. Stretching across the Virunga Mountains, the park is dominated by five towering volcanoes whose slopes are cloaked in rainforest and bamboo.