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.

Colombo, the commercial capital of Sri Lanka, is a vibrant city where colonial architecture meets modern skyscrapers. Visitors can explore historic sites such as the Gangaramaya Temple, the Dutch Hospital, and the Colombo National Museum, which reflect the city’s rich cultural heritage and diverse history.

Koloa sits on Kauai’s south shore and holds a special place in Hawaiian history as the site of the islands’ first successful sugar plantation.

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.

Te Anau sits on the edge of New Zealand’s second-largest lake, acting as the unofficial gateway to Fiordland National Park. While it’s often viewed as a starting point for trips to Milford Sound, the town itself offers a slower, more scenic way to experience the South Island’s dramatic landscapes. Te Anau’s lakefront is a mix of walking paths, local birdlife, and wide-open views across snow-dusted peaks.