Lukla, a mountain town perched at 2,860 meters in eastern Nepal, is best known as the gateway to the Everest region. The town is home to Tenzing-Hillary Airport, one of the world’s most thrilling landing strips, named after the legendary climbers who first reached Everest’s summit in 1953. The short, sloped runway hugs the mountain, offering a once-in-a-lifetime arrival that travelers remember long after their journey ends.

The River Nile, most often associated with Egypt and its ancient civilizations, actually flows through eight other countries including Uganda, Ethiopia, Sudan, and Kenya. It is formed by two major tributaries, the White Nile and Blue Nile, and is considered by many to be the longest river in the world when measured from its source waters in Rwanda and Burundi.

Granada, nestled at the foot of the Sierra Nevada mountains in southern Spain, is a city where history and culture converge in a mesmerizing blend. The jewel of Granada is the Alhambra, a stunning palace and fortress complex that dates back to the 13th century. This UNESCO World Heritage Site is a testament to the city's Moorish past, showcasing intricate Islamic art and architecture.

The capital city of the Dominican Republic is rich in history and beauty, boasting 16th-century Spanish architecture and the oldest cathedral in the Americas. The narrow streets of the old colonial city are a testament to the complex mixture of forces that contributed to the construction of the first European city in the Western Hemisphere.

Kyle of Lochalsh, located on the west coast of the Scottish Highlands, serves as a gateway to the Isle of Skye via the Skye Bridge, but the village itself deserves more than a passing glance. Once the terminus of the Highland Railway, the town still welcomes visitors by train on one of the UK’s most scenic routes. The line from Inverness to Kyle passes through remote glens, past lochs and mountain ranges, ending just steps from the waterfront.