This city in the Rhine Gorge is known for its winemaking, dramatic landscapes and 15-minute cable car ride to the Niederwald Monument (celebrating the German victory over France in 1871).

Galveston, Texas, a charming island city along the Gulf Coast, is a delightful blend of history, culture, and seaside leisure. Known for its Victorian architecture and sun-soaked beaches, Galveston offers a rich array of experiences for visitors. The Historic Strand District, with its 19th-century buildings housing shops, galleries, and restaurants, takes visitors back in time to an era of bustling port trade and grand social affairs.

Trebinje, the southernmost city in Bosnia and Herzegovina, sits just a short drive from the Adriatic coast but offers a completely different rhythm. Framed by hills and set along the Trebišnjica River, the city has a history stretching back to Roman times. The river that winds through the city is one of the longest sinking rivers in the world and often disappears underground and resurfaces in various places.

Delhi is a sprawling metropolis in North India that contains the country's capital, New Delhi. Life is abuzz and hectic here, with traffic going every which way. A huge population shuffles through Delhi's streets, alleys and food and spice-selling bazaars, and it's quite memorable to be a part of it all.

Turkmenistan is a land of striking contrasts, where vast deserts meet ancient Silk Road history. The country is dominated by the Karakum Desert, an expanse of sand and scrub that covers most of its territory, yet it is also home to oases where cities flourished as trading posts for caravans journeying between Persia, China, and beyond.