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.

Sarawak is home to the world's oldest rainforest. Situated on the coast, Miri, is an ideal starting point on your adventure. Between its network of National Parks, wildlife sanctuaries, ethnic diversity and cultural heritage, Sarawak is the perfect destination for anyone interested in nature, adventure and culture.

Douala is Cameroon’s largest city and its economic powerhouse, but beyond the busy ports and bustling streets lies a city full of creativity, flavor, and unexpected charm. Located on the Atlantic coast, Douala has long served as a crossroads of cultures. The city's waterfront, especially along the Wouri River, is a great place to watch the movement of boats, local fishermen, and floating markets while soaking in the tropical coastal air.

Framed by an array of tropical flowers, "miniature" houses painted in a pastel palette will enchant you. But, a splash of watercolors is all you'll see as you zip by on a moped. It won't be long before you find the perfect spot for a beach picnic and afternoon of snorkeling.

Humacao is a coastal city on the southeastern side of Puerto Rico, facing the Caribbean Sea and surrounded by low hills, wetlands, beaches, and agricultural land. The city sits near the mouth of the Río Humacao, with its urban center inland from the coast and several communities extending toward the shoreline.