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.

Bar Harbor should be any traveler's Maine priority! Drink in a view of the Atlantic Ocean from the town pier, and be sure to get some lobster at one of the excellent local restaurants. Bar Harbor, a Mount Desert Island town, is also the portal to the rugged, recreational paradise Acadia National Park, where birding, whale-watching and kayaking is the order of the day. The park's Cadillac Mountain is the highest point on America's East Coast.

Carlsbad, California, a coastal gem located between San Diego and Los Angeles, offers visitors a unique mix of stunning beaches, family-friendly attractions, and natural beauty. The city is best known for its beautiful Carlsbad State Beach, where surfers, sunbathers, and swimmers flock year-round to enjoy Southern California’s idyllic weather and shimmering Pacific waters.

Cat Island, one of the more unspoiled Out Islands of The Bahamas, is a destination that feels worlds away from the busier resort hubs. Stretching about 50 miles long, the island is lined with pink-sand beaches, rolling green hills, and quiet fishing villages where time seems to stand still.

Dambulla, situated in the Central Province of Sri Lanka, is best known for its rock temple complex that has been in use for over two thousand years. The Dambulla Cave Temple, also called the Golden Temple of Dambulla, is made up of five caves carved into a granite outcrop, filled with over 150 Buddha statues and intricate wall paintings. These caves were first used by King Valagamba in the 1st century BCE as a refuge during exile, and later transformed into a sacred site.