Mist, research stations, and penguins are just a few of the things that define the South Shetland Islands, an archipelago off the coast of Antarctica. These 11 Antarctic islands, most notably King George Island, have served as a base for researchers from Chile, Argentina, and a variety of other countries. The archipelago has also become a popular cruise destination for tourists to the Antarctic region.

Tucked away in the heart of the Pacific Ocean, Nauru is one of the world’s smallest and least visited countries being an island nation just 21 square kilometers in size, with a population under 10,000. But its compact size makes exploring simple and rewarding. Visitors can circle the entire island by car in under an hour, taking in stunning ocean views, remnants of World War II bunkers, and clusters of colorful homes that speak to Nauru's resilient spirit and layered past.

The Ionian Sea, a stretch of the Mediterranean nestled between Italy and Greece, offers a captivating blend of azure waters, picturesque islands, and rich history. The sea is framed by Italy's western coast and Greece's western islands, including Corfu, Kefalonia, and Zakynthos. These islands provide a gateway to some of the most stunning landscapes in the region, from the rugged cliffs of Zakynthos to the lush greenery of Kefalonia.

The Java Sea sits between the islands of Java, Sumatra, Borneo, and Sulawesi in Indonesia and is a destination rich in natural beauty, history, and vibrant cultures. This shallow sea is known for its stunning turquoise waters, pristine islands, and fascinating marine life.

The National Park of American Samoa invites visitors to step into a world shaped by towering volcanic ridges, tangled rainforests, and clear coral-sand bays. Spread across Tutuila, Ta‘ū, and Ofu islands, the park protects nearly 13,500 acres of land and 4,000 acres of ocean, an unusual patchwork where ancient ecosystems like paleotropical rainforests meet hip-deep coral reefs. Only U.S. national park in the Southern Hemisphere, it’s a place where you can hike through cloud-shrouded forests and t