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.

Tucked between Jordan's sandstone cliffs in the southwestern desert, Petra was carved directly into rose-colored rock more than 2,000 years ago. Visitors approaching through the narrow gorge known as the Siq are rewarded with their first glimpse of Al-Khazneh, the Treasury, a towering facade that seems to appear from another world.

Sossusvlei, located in the heart of the Namib Desert in Namibia, is a breathtaking destination that captivates travelers with its surreal landscapes and towering red sand dunes. The star attraction of Namib-Naukluft National Park, Sossusvlei is famous for its clay pans surrounded by some of the highest sand dunes in the world, some reaching heights of over 300 meters.

France’s city of Reims, located in the heart of the Champagne region, is a place where history and celebration meet. Known for its towering cathedral, Reims played a central role in French royal tradition. Nearly every French king was crowned at the Cathedral of Notre-Dame de Reims, a masterpiece of Gothic architecture that still dominates the skyline. The cathedral’s intricate facade and famous stained-glass window continue to draw visitors from around the world.

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.