Nature

Nominated as one of the New 7 Wonders of Nature, the Puerto Princesa Subterranean River runs for 8.2 kilometers underground and boasts

UNESCO describes the Wadden Sea as “the largest unbroken system of intertidal sand and mud flats in the world.” In other words,

At an altitude of 3,811 meters above sea level, Lake Titicaca is one of the largest lakes in South America by volume.

Formed over millions of years by volcanic eruptions, rivers and glaciers, the Skaftafell National Park in southern Iceland has a variety of