Cat Ba, the largest island in Vietnam’s Halong Bay, is a striking mix of rugged limestone cliffs, hidden coves, and vibrant jungle. Long home to fishing communities, the island has retained its local charm while also becoming a gateway to the natural wonders of the surrounding bay.

Alberobello in southern Italy’s Puglia region captures the imagination with its distinctive trulli houses. These structures were built using a dry-stone technique passed down over centuries, without mortar or cement, and their unique form comes from layer upon layer of limestone nestled from nearby fields. Alberobello’s trulli are so remarkable that in 1996 the historic center was inscribed as a UNESCO World Heritage Site, where more than 1,600 of these buildings still stand.

Ol Doinyo Lengai, often called the "Mountain of God," is an active volcano located in northern Tanzania and is a must-visit for adventurous travelers. Towering over the Great Rift Valley, this majestic peak is unique due to its lava composition. Unlike most volcanoes that produce molten lava, Ol Doinyo Lengai emits natrocarbonatite lava, which is unusually cool and flows like water. This rare phenomenon makes it one of the most intriguing volcanic landscapes on Earth.

Hellesylt, a small village on Norway’s western coast, sits at the entrance to the famous Geirangerfjord and offers scenery that feels almost otherworldly. Steep mountains rise sharply on all sides, their slopes cut by ribbons of waterfalls that plunge into deep blue water. One of the most striking sights is the Hellesylt Waterfall, which thunders past the heart of the village and can be admired from several pedestrian bridges.

Samarkand is one of Central Asia’s most storied cities, famed for its role as a crossroads of culture, science, and trade along the Silk Road. The heart of the city is the Registan, a grand square framed by three ornate madrasas decorated with vivid mosaics, intricate tilework, and soaring arches.