Khongoriin Els is one of the largest sand dune systems in Mongolia's Gobi Desert, located within Gobi Gurvansaikhan National Park in Ömnögovi Province. The dunes extend across a broad desert landscape between rocky mountains and dry plains, with some ridges rising more than 200 meters above the surrounding ground. Wind continually reshapes the sand, creating long lines and shifting slopes across the desert.

Dominica, known as the “Nature Island of the Caribbean,” is a haven for eco-tourists and adventure seekers. Nestled between the French islands of Guadeloupe and Martinique, this lush island boasts a remarkable landscape of volcanic mountains, dense rainforests, and stunning waterfalls. Dominica’s most iconic natural wonder is the Boiling Lake, the second-largest hot spring in the world.

Friday Harbor is the principal community and county seat of San Juan County, located on San Juan Island in northwestern Washington. The town overlooks a sheltered harbor and serves as a central gateway to the surrounding San Juan Islands. Its waterfront is lined with marinas, small businesses, restaurants, galleries, and ferry facilities, while residential streets and wooded areas extend beyond the compact downtown.

Niger, located in West Africa, is a country of vast landscapes and diverse cultures. Much of its territory is covered by the Sahara Desert, with rolling sand dunes, rocky plateaus, and oasis towns defining the northern regions.

Imatra, Finland, is a hidden gem nestled near the Russian border, known for its stunning natural beauty and rich history. A key draw is the Imatrankoski Rapids, one of Finland's oldest tourist attractions dating back to the 18th century. These powerful rapids, located on the Vuoksi River, have captivated visitors for centuries, including Russian nobility like Catherine the Great.