One of the major rivers of the Iberian Peninsula, the Douro in north-central Spain and Portugal just might be the world's most beautiful wine region. Most of the river on the Spanish side isn't navigable, so river cruises generally travel roundtrip from Porto, on the coast of the Atlantic.

Catalina Island, located just 1.5 miles off the southeastern coast of the Dominican Republic, is a serene tropical escape known for its pristine beaches and vibrant coral reefs.

Nestled along the banks of the majestic River Shannon in western Ireland, Limerick is a city where history and modern life blend seamlessly, offering a unique and authentic Irish experience that captures the charm and spirit of the Emerald Isle. With origins stretching back to the Viking era, Limerick offers an intriguing glimpse into the past with plenty to explore.

Waco is a Central Texas city positioned along the Brazos River between Dallas and Austin. Its identity is closely connected with Baylor University, the Texas Rangers, and the development of the Dr Pepper soft drink, which originated at a Waco drugstore. The city combines an established downtown with residential neighborhoods, museums, riverfront spaces, and a large network of parks.

Denver, Colorado, known as the “Mile High City” for its elevation exactly 5,280 feet above sea level, offers far more than a mountain backdrop. It’s a city where old saloons, Victorian homes, and vintage brick warehouses sit beside sleek skyscrapers and buzzing food halls. While the nearby Rocky Mountains are visible from almost anywhere in the city, places like City Park and Washington Park offer wide green spaces right in town.