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.

Bogotá, the vibrant capital of Colombia, sits high in the Andes at 2,640 meters above sea level. The city balances historic charm with modern energy, where cobblestone streets meet bold street art and colonial churches stand beside sleek galleries and cafes. At the heart of it all is La Candelaria, Bogotá’s oldest neighborhood, where travelers can visit centuries-old buildings, including the neoclassical Capitol and the richly decorated Gold Museum.

In the heart of Oman lies Nizwa, a city once considered the country’s capital and a hub of learning and trade. Its iconic round fort, built in the 17th century, remains one of Oman’s most visited landmarks.

Rabat, the capital of the kingdom of Morocco, is located on the edge of the Atlantic Ocean on the left bank of the Bou Regreg Estuary. A city of trees and flowers, Rabat combines peace, beauty and Serenity, and is steeped in history.

Istanbul is a city built on layers of empire. Spanning two continents, it was once the capital of three major empires: Roman, Byzantine, and Ottoman. Visitors walking through the Sultanahmet district can witness this timeline firsthand, from the Roman-era Hippodrome to the Byzantine mosaics of Hagia Sophia, and the towering minarets of the Blue Mosque. At nearby Topkapi Palace, rooms still display the jeweled swords, ceremonial robes, and handwritten Qurans once used by Ottoman sultans.