Vienna has a long memory. Once the capital of the Habsburg Empire, the city still carries signs of its imperial past in its palaces, concert halls, and wide boulevards. Visitors can walk through the Hofburg complex, where emperors once ruled, or tour the opulent rooms of Schönbrunn Palace, which features 1,441 rooms and a maze in its gardens. But Vienna’s many historic buildings now house contemporary art museums, cafés, and institutions that reflect the city’s modern identity.

Baruunbüren is a small town in northern Mongolia, set within the forest-steppe landscapes of Selenge Province near the Russian border.

Nestled in the heart of Romania, Brașov is a charming city that effortlessly blends medieval history with stunning natural beauty. Encircled by the Carpathian Mountains, Brașov's well-preserved medieval architecture and vibrant cultural scene make it a must-visit destination.

The southernmost island in the crescent-shaped Comoros archipelago. Encircled by a barrier reef, Mayotte is blessed with one of the world's perfect lagoons. In its lush forests, the fragrant yellow flowers of the ylang-ylang tree are picked to extract their perfumed oil. Against a backdrop of waterfalls and volcanic peaks on Mayotte, there is a feeling of rural tranquility.

Leiden or Leyden, city in the western Netherlands, in Zuid-Holland (South Holland) Province, on the Old Rhine River, near The Hague. Leiden is also the site of the State University of Leiden, one of the oldest and most distinguished universities in Europe. It was the birthplace of several important Dutch painters, including Rembrandt, Jan van Goyen, and Jan Steen. During the 17th century the English settlers who became known as the Pilgrims took refuge in Leiden before leaving for North America.

Angkor Wat, located near Siem Reap in Cambodia, is a mesmerizing testament to the grandeur of the Khmer Empire and one of the world's most remarkable archaeological sites. Built in the early 12th century by King Suryavarman II, Angkor Wat was originally dedicated to the Hindu god Vishnu but later became a Buddhist temple.