Blue Bay is a coastal village in southeastern Mauritius, within the district of Grand Port and close to Sir Seewoosagur Ramgoolam International Airport. It is best known for Blue Bay Marine Park, a protected lagoon where coral reefs and clear shallow waters support a rich variety of marine life. The village sits beside a curved sandy beach and sheltered bay, with views across the lagoon toward small offshore islets.

Crater Lake National Park, Oregon, offers a breathtaking display of natural beauty centered around the deepest lake in the United States. Formed by the collapse of a volcanic caldera, Crater Lake is renowned for its stunningly clear blue waters, which are the result of rain and snowfall filling the caldera. The lake's unique color and clarity are due to its depth and the purity of its water, making it a visual marvel that attracts visitors year-round.

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.

Koh Kood, also spelled Koh Kut, is an island in Trat Province near Thailand’s eastern maritime border with Cambodia. It is the fourth-largest island in Thailand and the southernmost major island in the Koh Chang group. Much of its landscape consists of forested hills, coconut and fruit plantations, streams, and sandy beaches along the Gulf of Thailand.

Whether exploring volcanic trails or relaxing in seaside hot springs, Hachijo Jima provides an unforgettable island experience that feels worlds away from Japan’s major cities.

ABERDEEN -- Scotland's third-largest city (pop. 187,000) is characterized by buildings of beautiful white granite. Set beside the North Sea, Aberdeen is both a university town and the capital of the Scottish oil boom. It is also one of Scotland's largest seaside resorts (though its appeal is confined to those who like their water well-chilled).