Copper River, Alaska's fourth largest river travels from the dry interior climate to the temperate rainforest along Prince William Sound.

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.

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.

Doubtful Fjord (Doubtful Sound) is a large fjord in southwestern New Zealand, in the same region as the smaller but better known Milford Sound. It is home to an unusually large population of bottlenose dolphins, as well as a variety of birds, fur seals, penguins, and often even humpback whales.

Whether uncovering its past, enjoying its culinary delights, or simply soaking in the peaceful atmosphere, the picturesque Dutch city of Middelburg leaves a lasting impression on all who visit.