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.

Jaipur, the capital of Rajasthan, is often called the “Pink City” for the terracotta-hued buildings that line its historic streets. Founded in 1727, it was one of India’s first planned cities, designed with wide avenues and grand public squares.

The Port of Stavanger is a popular stop on the route to the Norwegian Fjords, and boasts a first-rate assortment of museums and cultural events. Old Stavanger has Europe’s best preserved wooden house settlement.

Weissenkirchen is a charming Austrian town on the banks of the Danube. Surrounded by vineyards and wineries, Weissenkirchen is a delightful stop for European river cruises.

The Philippines is an archipelago of more than 7,600 islands in Southeast Asia, known for its striking coastlines, tropical forests, and vibrant cultural diversity.