Bad Ischl is a spa town in Upper Austria's Salzkammergut region, set along the Traun River and surrounded by wooded mountains and alpine valleys. The town is known for its historic spa tradition, elegant villas, parks, and strong connections with the Habsburg imperial family.

Niger, located in West Africa, is a country of vast landscapes and diverse cultures. Much of its territory is covered by the Sahara Desert, with rolling sand dunes, rocky plateaus, and oasis towns defining the northern regions.

Situated on the northeastern coast of Greece, Kavala is a picturesque port city popular for its archaeological treasures, historic old town, and scenic beach. Be sure to explore the city's best known sites, including the Panagia neighborhood, the Kavala Castle, the towering Aqueduct, and the Kavala Archaeological Museum.

Travelers on the Arabian Sea often find themselves in Muscat, on the Gulf of Oman. This port capital is situated between ocean and mountains, and boasts lovely beaches, great diving sites (watch for turtles!), 16th-century forts, and the impressive Sultan Qaboos Grand Mosque, which can hold 20,000 people.

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.