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.

Castries, St. Lucia's capital and a busy port city, is an idyllic Caribbean wonderland. Tourists will find craft and fruit markets, photo-ready murals and a general cozy charm here. One must-do activity is getting to the top Morne Fortune (Hill of Good Luck) to drink in the lovely panoramic views. Be sure to visit the museum at Derek Walcott Square, and soak up the sun on Vigie Beach!

Caernarfon, a town in northwest Wales, is famed for its medieval heritage, most notably Caernarfon Castle, a UNESCO World Heritage Site built by Edward I in the late 13th century.

Utrecht, a charming city in the Netherlands, offers a captivating blend of history, culture, and modern vibrancy. Dominated by its striking Dom Tower, the tallest church tower in the Netherlands, Utrecht invites visitors to climb its 465 steps for panoramic views of the city and the surrounding countryside.

Fanning Island, also known as Tabuaeran, is one of the Line Islands in the Republic of Kiribati. Sitting just four degrees north of the equator, this remote atoll is a rare find for travelers seeking raw, untouched Pacific beauty. With no large hotels or chain resorts, visitors often arrive by cruise or private yacht and are welcomed with coconut-leaf garlands and traditional songs.