The Whitsunday Islands sit in the heart of Australia’s Great Barrier Reef, where more than 70 islands rise from wide blue seas and offer an invitation to explore. Whitsunday Island itself is the largest of this group, known internationally for its ribbon of white silica sand stretching over seven kilometers at Whitehaven Beach. This sand feels cool underfoot even in warm sunshine because it’s made of nearly pure silica carried there by ancient ocean currents.

Harstad is a coastal town in northern Norway, located on Hinnøya, the country’s largest island, and overlooking the strategic waters of Vågsfjorden. Its history spans from Viking settlements to modern fishing and shipping, giving the town a blend of maritime heritage and regional importance.

Southeast Spain's seaport of Cartagena is a large naval base on the Mediterranean coast. The city was founded in 220 B.C. and boasts Roman ruins, mosaics and murals.

Ponte de Lima sits along the Lima River in northern Portugal and is often regarded as the country’s oldest town. Its identity centers on the medieval bridge that spans the river, parts of which date back to Roman times and still structure how the town is experienced today.

It's the largest of the three U.S. Virgin Islands, lying 40 miles south of St. Thomas and St. John. While its history is laced with tales of pirates and privateers, the island today maintains a slower, more quiet pace than its sisters to the north.