Landlocked but by no means limited, Tennessee boasts Graceland and Sun Records in Memphis, and the Grand Ole Opry in Nashville. River cruises are becoming increasingly popular here, with Memphis being a key itinerary point on the Mississippi River.

Mongolia's capital and largest city Ulaanbaater, includes many points of interest: Mongolia's State Archives and State Public Library, which contains about 3 million volumes; the State Central Museum, which contains art treasures and antiquities; the Fine Arts Museum, with a collection of painting and sculpture; two museums with items from the revolutionary movement; and the Museum of Religion, with a collection of Lamaist relics.

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.

Beaches, margaritas and relaxed vibes are all part of visiting the island city of Key West, where summer never ends.

Cook Islands is a self-governing island group in free association with New Zealand, comprising two groups of widely scattered islands in the South Pacific Ocean. The Southern, or Lower, Group includes Rarotonga, Aitutaki, Atiu, Mangaia, Mauke, Mitiaro, Manuae, and Takutea.