Kilauea is the world's largest active volcanic mass, located southeastern Hawaii Island. The central feature of Hawaii Volcanoes National Park is an elongated dome built of lava eruptions from a central crater and from lines of craters extending along east and southwest riffs or fissures.

Cayenne, the lively capital of French Guiana, sits where the Cayenne River meets the Atlantic Ocean, blending South American rhythms with French-Caribbean influence. While it's officially part of France, Cayenne feels worlds away from Paris, with colorful markets, colonial architecture, and a language mix that includes French, Creole, Portuguese, and Indigenous dialects.

Ulaanbaatar, the capital of Mongolia, is a city where tradition and modern life intertwine. Nestled in a valley surrounded by mountains, it serves as the country’s cultural, political, and economic hub. The city’s skyline features a mix of Soviet-era architecture, Buddhist monasteries, and contemporary high-rises.

There's plenty to explore in this vibrant Caribbean paradise. Visit one of the island's many beaches, including Bachelor's Beach, Te Amo Beach, and Sorobon Beach, take a stroll through the Bonaire Arts and Crafts Market, or visit Washington-Slagbaai National Park, where you'll likely catch a glimpse of many of the island's native birds and reptiles.

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