The Elbe is one of the Central Europe's greatest rivers, rising in the northern Czech Republic, traversing through Bohemia and Germany, and flowing into the North Sea not far from Hamburg. The river and its route have been largely untouched, so wildlife visibly abounds along its wetlands and wooded regions. Other scenery includes terraced vineyards and charming wine villages.

There's more than meets the eye in Savona, a Northwest Italy port city many cruise ship passengers are lucky enough to find themselves in. The giant Fortezza del Priamàr looms over the water, providing a unique welcome. Be sure to stroll through the city's genteel, impressive medieval center, visit the beautiful Savona Cathedral and see marvelous artistic works from centuries past at the Ceramics Museum.

Ostuni is a hilltop town in Puglia, in southern Italy, known for the whitewashed buildings of its historic center and the olive groves that surround it. The town occupies the final slopes of the Murge plateau, with the old quarter, known as La Terra, rising above the surrounding countryside. Narrow lanes, stairways, arched passages, and small squares wind between lime-covered houses, while the higher streets provide views across the olive plain toward the Adriatic Sea.

Fernando de Noronha is a volcanic archipelago in the Atlantic Ocean, belonging to the Brazilian state of Pernambuco. The archipelago consists of 21 islands and islets, with only the main island permanently inhabited. Much of the land and surrounding sea is protected through the Fernando de Noronha Marine National Park and the Fernando de Noronha Environmental Protection Area.

The Darvaza Gas Crater, famously nicknamed the “Door to Hell,” is one of Turkmenistan’s most extraordinary landmarks. Located deep in the Karakum Desert, this fiery pit has been burning continuously since the early 1970s, when Soviet engineers reportedly set fire to a collapsed natural gas field to prevent the spread of methane.