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

Cairns is the majestic entrance to Australia's Great Barrier Reef. This warm, tropical destination is located in Far North Queensland. Must-see attractions in Cairns include the Tjapukai Aboriginal Cultural Park, which educates tourists about indigenous peoples, and restaurant and bar-dotted Cairns Esplanade, which has a lagoon for swimming.

Located on the west bank of the Nile, Dendera is home to the famous Dendera Temple Complex, one of the best-preserved ancient Egyptian temples. The Temple of Hathor features impressive reliefs and intricate carvings that draw visitors interested in Egyptology and ancient history.

Islamic and French influences blend together in charming Casablanca, Morocco’s iconic coastal city. Frequently used as a port for Spanish and Mediterranean cruises, Casablanca lies halfway between Marrakesh and Fes and is the perfect entryway for exploring the rest of Morocco.

Matera, one of Italy's most enchanting cities, is a living testament to human resilience and creativity. Nestled in the southern region of Basilicata, Matera is renowned for its ancient cave dwellings, known as the Sassi. These prehistoric stone houses, carved directly into the limestone rock, date back thousands of years, making Matera one of the world's oldest continuously inhabited cities.