From grand castles to resplendent cathedrals, Tallinn’s Old Town neighborhood, a UNESCO World Heritage Site, is the perfect place to begin exploring. Enter through Viru Väravad, or Viru Gate, the former fortress whose remaining two towers beckon you into the heart of the city.

Progreso, a coastal city in the state of Yucatán, offers travelers a relaxed atmosphere with strong ties to the sea. Founded in 1871 as a port to support trade in the region, Progreso now welcomes both cargo ships and cruise liners to its shores. Its most defining feature is the Progreso Pier, one of the longest in the world, stretching over 6 kilometers into the Gulf of Mexico.

Bonifacio is located at the southernmost tip of the island of Corsica. The town towers above the "Bouches de Bonifacio" the strait between Corsica and Sardinia, above islands and reefs. Bonifacio has survived a unique history, founded in 833, and somehow has defied time and events.

The Old Canary Country is the island with the longest coast line, offering wide plains, gentle valleys, and huge beaches. Some of its beaches compare with the best in the world.

An essential passageway between the Atlantic and Pacific Oceans, the Panama Canal is an extraordinary technological landmark and a testament to human innovation. Built in the early twentieth century by American engineers, the canal weaves through the Panamanian isthmus and allows easy access for commercial freighters and cruise ships alike.