Groton is a coastal town in southeastern Connecticut, positioned between the Thames River and Long Island Sound. Its identity has been shaped by maritime trade, shipbuilding, military activity, and submarine technology, earning it the longstanding nickname “Submarine Capital of the World.” The town includes several distinct areas, from the historic waterfront of Groton Bank to beaches, wooded neighborhoods, and working industrial facilities.

Riviera Maya is a stunning stretch of coastline on Mexico's Yucatán Peninsula. With spectacular destinations like Puerto Morelos, Playa del Carmen, and Tulum, the Riviera Maya coast is popular for its all-inclusive resorts.

Guernsey, the second-largest of the Channel Islands, blends coastal landscapes with a deep-rooted history shaped by centuries of outside influence. Though located closer to France than to mainland Britain, Guernsey is a British Crown Dependency with its own government and a distinct identity. The capital, St Peter Port, is a hillside town overlooking a natural harbor, where visitors can explore narrow lanes, stone stairways, and 18th-century buildings.

Gotland, Sweden’s largest island, sits in the Baltic Sea and feels like a world of its own. Its main town, Visby, is a UNESCO World Heritage site and one of the best-preserved medieval towns in Northern Europe. Surrounded by a 3.5-kilometer stone wall with original towers still intact, Visby once served as a key Hanseatic trading hub. Visitors can walk along cobbled streets lined with rose-covered cottages, explore Gothic church ruins, and climb up the city wall for views over the harbor.

Mývatn is a lake and surrounding region in North Iceland, known for its shallow waters, numerous small islands, volcanic formations, and rich birdlife. The lake covers about 37 square kilometers and is part of an internationally important wetland together with the Laxá River. The surrounding landscape was shaped by volcanic activity, creating a mixture of lava fields, craters, geothermal areas, and wetlands within a relatively compact area.