Located in Australia's Northern Territory, Uluru is an iconic sandstone formation and UNESCO World Heritage site. This red rock monolith, believed to be over 500 million years old, has been considered sacred by Australia's indigenous peoples for thousands of years and is one of the country's most well-known natural landmarks. This spiritual destination will astound you at sunrise and sunset, when the warm sunlight turns Uluru to deep hues of red and orange.

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.

Fresno is a major city in California’s San Joaquin Valley, positioned between the Sierra Nevada and the Coast Ranges. Its flat agricultural surroundings are among the most productive farming areas in the United States, with orchards, vineyards, vegetable fields, and citrus groves extending beyond the urban area. Fresno also serves as a regional center for education, healthcare, business, and transportation.

Grebaje is a mountain valley in northern Montenegro, within Prokletije National Park near the town of Gusinje. The valley is enclosed by the steep limestone peaks of the Karanfil massif, creating a narrow landscape of meadows, forests, cliffs, and high alpine ridges. Unlike the more developed mountain destinations of Montenegro, Grebaje has only a small number of facilities and retains a largely pastoral character.

Potosí rises on the Altiplano of southern Bolivia and for centuries it was one of the richest cities in the world because of what lies just beyond its streets. At the foot of Cerro Rico (“Rich Mountain”), silver was discovered in the mid-1500s, and within a few decades the city became a center of mining and wealth that shaped global trade and economies.