One visit to Tsingy de Bemaraha National Park in Madagascar and you may find yourself feeling like you have stepped onto another planet. The mineral forest was formed nearly 200 million years ago and has become a popular destination for adventurous hikers from around the world. The hanging bridge, while not for the faint of heart, is one of the most photographed spots within the park.

A must-see in this centrally located Sicilian town is the 3rd century Villa Romana del Casale.

Lysekil is a coastal town in Västra Götaland County on Sweden’s western coast, situated at the edge of the Gullmarsfjorden and surrounded by the rocky landscape of Bohuslän. The town has a long connection with fishing, shipping, and maritime trade, while its waterfront remains active with boats, ferries, restaurants, and small harbors. Granite outcrops are a defining feature of the surrounding landscape, creating a rugged shoreline of cliffs, islands, and sheltered coves.

Formally called Ocean Cay MSC Marine Reserve, Ocean Cay is a private island only accessible to MSC Cruises guests. Activities include beachside lounging, snorkeling, paddle boarding, lighthouse climbing, dining, shopping and more.

One of the major rivers of the Iberian Peninsula, the Douro in north-central Spain and Portugal just might be the world's most beautiful wine region. Most of the river on the Spanish side isn't navigable, so river cruises generally travel roundtrip from Porto, on the coast of the Atlantic.