Perched on the northern shore of Lake Geneva, Lausanne is a city that blends centuries of history with a strong cultural identity. It served as a Roman military camp called Lousanna before evolving into a key medieval settlement. Today, visitors can still climb the tower of Lausanne Cathedral, widely regarded as the most impressive Gothic structure in Switzerland. From the top, the view stretches over the rooftops of the Old Town to the vineyards of Lavaux and across the lake to the French Alps.

Nuremberg is Bavaria’s second-largest city and for centuries was the undeclared capital of the Holy Roman Empire. There is plenty to do and see, starting with picturesque charm of the Old Town, situated at the foot of the Kaiserburg.

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.

Malta’s ornate and vibrant capital, Valletta, dazzles travelers with its abundance of historical landmarks and striking architecture. This island jewel off the coast of Italy remains a popular destination for Mediterranean cruises. From central St. George’s Square, to sixteenth-century Casa Rocca Piccola, to the Siege Bell War Memorial, Valletta has no shortage of monuments detailing the city’s long history.

Travel to Johannesburg, the cosmopolitan city at the heart of South Africa, and find some of the country’s most iconic landmarks. Replete with cultural excursions, historical sites, and superb restaurants, Johannesburg has plenty to explore.