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.

Kirkwall, the vibrant capital of the Orkney Islands, Scotland, is a place where history and culture intertwine with stunning natural landscapes. Founded by Norse settlers over a thousand years ago, Kirkwall is steeped in Viking heritage, with its centerpiece, the magnificent St. Magnus Cathedral, standing as a testament to the town’s medieval past.

Lihue, the main town on the Hawaiian island of Kauai, blends administrative importance with island charm. As the county seat, it’s the hub of government and commerce, but it also serves as the welcoming gateway for travelers arriving at Lihue Airport or through its nearby harbor.

The city of Santa Cruz De Tenerife, located on the island of Tenerife, is a favorite stop for Transatlantic voyagers. Tenerife is both the largest and most populated of the seven Canary Islands and of Spain itself. As the island's main city, Santa Cruz De Tenerife is home to almost half of the island's population.