Yellowstone National Park, America's first national park, stands as a stunning testament to nature’s raw power and beauty. Located primarily in Wyoming, with portions extending into Montana and Idaho, Yellowstone offers visitors a chance to witness incredible geothermal wonders, such as the famous Old Faithful geyser that faithfully erupts every 60 to 110 minutes.

Madagascar, the world’s fourth-largest island, lies off the southeastern coast of Africa and is renowned for its extraordinary biodiversity and unique landscapes. Its rainforests, spiny deserts, and highland plateaus provide habitats for species found nowhere else on Earth.

Comoros, independent state comprising a group of islands located at the northern entrance of the Mozambique Channel, between the African mainland and the island of Madagascar. Officially called the Federal Islamic Republic of the Comoros, the archipelago includes four major islands.

Djibouti, located in the Horn of Africa, offers travelers a landscape shaped by volcanic activity, salt lakes, and dramatic coastlines.

Niue is an island in free association with New Zealand, in the South Pacific Ocean. Niue is located about about 286 mi. east of Tonga.