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.

Skeleton Coast National Park stretches for about 500 kilometres along Namibia’s northwestern Atlantic coast, from the Ugab River toward the Kunene River. The park covers roughly 16,390 square kilometres of beaches, dunes, gravel plains, ephemeral riverbeds, canyons, and rugged mountain landscapes. Cold Atlantic water from the Benguela Current helps produce frequent coastal fog, which can extend inland across the desert.

Wiencke Island lies off the west coast of the Antarctic Peninsula, separated from Anvers Island by the narrow Gerlache Strait. The island is mountainous and heavily glaciated, with steep slopes rising from a rugged coastline of rocky shores, snowfields, and ice. Several sheltered coves provide access for expedition vessels, while the surrounding waters are often dotted with icebergs and sea ice.

Addis Ababa is the capital of Ethiopia and a highland city set at the foot of the Entoto Mountains. Its elevated setting gives the city a relatively cool climate compared with much of the country, while broad avenues, busy neighborhoods, green hills, and expanding modern districts create a varied urban landscape. Addis Ababa is also the headquarters of the African Union and hosts numerous international organizations, giving it an important diplomatic role across the continent.

Knoxville sits in the Great Valley of East Tennessee at the headwaters of the Tennessee River, with the Appalachian Mountains rising to the east and southeast. The city combines a historic downtown with riverfront parks, leafy neighborhoods, and easy access to outdoor areas.