Krabi, located on the southwest coast of Thailand, is known for its towering limestone cliffs, warm Andaman waters, and a coastline dotted with over 150 islands. One of its most iconic sites is Railay Beach, which is accessible only by boat due to the cliffs that cut it off from the mainland. Railay is famous among rock climbers for its natural limestone formations, some of which hang directly over the sea.

Santa Monica, California, a gem on the Pacific coast, offers a quintessential Southern California experience. The city is renowned for its iconic Santa Monica Pier, which features an amusement park, aquarium, and family-friendly dining. A ride on the historic Ferris wheel provides stunning ocean views and a sense of nostalgia.

Nestled on the shores of Skjalfandi Bay in northern Iceland, Husavik offers visitors the unique chance to witness humpback whales, minke whales, and even the occasional blue whale in their natural habitat.

Barranquilla sits near the mouth of the Magdalena River on Columbia's Caribbean side. It is a major seaport and a center of commerce, but everyone breaks loose for four days in February for one of the liveliest carnivals outside of Rio.

There's more than meets the eye in Savona, a Northwest Italy port city many cruise ship passengers are lucky enough to find themselves in. The giant Fortezza del Priamàr looms over the water, providing a unique welcome. Be sure to stroll through the city's genteel, impressive medieval center, visit the beautiful Savona Cathedral and see marvelous artistic works from centuries past at the Ceramics Museum.