Dominica, known as the “Nature Island of the Caribbean,” is a haven for eco-tourists and adventure seekers. Nestled between the French islands of Guadeloupe and Martinique, this lush island boasts a remarkable landscape of volcanic mountains, dense rainforests, and stunning waterfalls. Dominica’s most iconic natural wonder is the Boiling Lake, the second-largest hot spring in the world.

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

This cultural capital and university city holds more than 2,000 years of history and is the cultural hub of Germany.

Papua New Guinea is made up of the eastern half of the island of New Guinea, called the mainland. Papua New Guinea is bounded on the north by the Bismarck Sea; on the east by the Solomon Sea; on the south by the Coral Sea, the Gulf of Papua, and the Torres Strait; and on the west by the Indonesian province of Irian Jaya.

Death Valley, California, is a land of extremes that captures the imagination with its striking desert landscapes and surreal beauty. Located in the Mojave Desert, it is the hottest, driest, and lowest national park in the United States. Visitors are drawn to its iconic features, such as the vast salt flats of Badwater Basin, which at 282 feet below sea level, mark the lowest point in North America.