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.

Trinidad, Cuba, is a mesmerizing time capsule that transports visitors to another era with its cobblestone streets, pastel-colored colonial buildings, and horse-drawn carts. Founded in 1514 by Spanish conquistador Diego Velázquez de Cuéllar, this city, located in central Cuba, is one of the best-preserved colonial towns in the Caribbean. Trinidad's rich history and enchanting architecture make it an essential destination for anyone seeking an authentic Cuban experience.

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.

Saltillo, the capital of Coahuila, blends centuries of tradition with a quiet confidence that rewards travelers looking for something different. Founded in 1577, the city’s colonial heritage is on full display in its well-preserved downtown, where the Catedral de Santiago towers above Plaza de Armas. Just steps away, the Alameda Zaragoza park offers shaded paths and fountains, providing a peaceful break between stops at nearby museums.

Negombo, located just north of Colombo and minutes from Sri Lanka’s main international airport, offers a coastal town experience steeped in layered history and local life. Once a vital trading post for cinnamon during the colonial era, Negombo has seen Portuguese, Dutch, and British influence with each leaving a mark on its architecture and culture. The Dutch-era canal system, still used by fishermen and local vendors today, runs through parts of the town and can be explored by boat or bicycle.