In Edinburgh, an ancient fortress looms, the hills are steep, and travelers delight in the hidden charms of the Old Town and New Town. Hike to find spectacular views on Arthur's Seat, shop the downhill streets of the Royal Mile, and visit Edinburgh Castle, an imposing royal fortress that defines this city's skyline.

Santa Ana is a major city in western El Salvador, known for its historic center, grand public buildings, and location near several of the country's volcanic and lake landscapes. The city developed around Parque Libertad, where the distinctive Cathedral of Santa Ana stands alongside the Municipal Palace and National Theater.

Situated between magnificent Mount Vesuvius and the glittering Tyrrhenian Sea, Naples is the perfect destination for history and archaeology aficionados and lovers of savory Italian eats. Marvel at the ruins of Pompeii and Herculaneum, explore the San Gennaro Catacombs, and end your day with authentic Neapolitan pizza.

The Po River, the longest in Italy, flows eastward from Monte Viso, in the Cottian Alps, through the northern part of the country and drains into the Adriatic Sea near Venice. The Po flows through many important Italian cities, including Turin, Cremona, Piacenza, Ferrara.

The capital of Saint Maarten, the Dutch side of this two nation island, Philipsburg is located on the isthmus between Groot Baai (Great Bay) and the Salt Pond. Founded in 1733 as a free port, the city is now the home to outstanding shopping, casinos, and a variety of hotels and resorts, including nearby Mullet Bay Resort and Golf Club.