In the heart of Oman lies Nizwa, a city once considered the country’s capital and a hub of learning and trade. Its iconic round fort, built in the 17th century, remains one of Oman’s most visited landmarks.

Alberobello in southern Italy’s Puglia region captures the imagination with its distinctive trulli houses. These structures were built using a dry-stone technique passed down over centuries, without mortar or cement, and their unique form comes from layer upon layer of limestone nestled from nearby fields. Alberobello’s trulli are so remarkable that in 1996 the historic center was inscribed as a UNESCO World Heritage Site, where more than 1,600 of these buildings still stand.

Located on a trade route to Lithuania and Russia, Lublin was already an important center by the time it received its municipal charter in 1317. The city still remains relatively unknown to foreign tourists. From the original defense walls and the Krakow Gate, the remnant of Lublin's medieval wall system to the town hall and the Renaissance burgher houses in the Market Square, Lublin offers numerous visual delights.

Portimao is a port city on the southern coast of Portugal and offers easy access to some of the country's best beaches.

Nikko lies in Tochigi, about two hours from Tokyo. Nikko is famous for the large Toshogu shrine area and the nature around the city.