Buck Island is a small uninhabited island off the northeastern coast of St. Croix in the U.S. Virgin Islands. Most of the island and surrounding waters form Buck Island Reef National Monument, a protected area known for coral reefs, sandy beaches, dry forest, and marine habitats. The island lies a short boat journey from Christiansted and is surrounded by clear Caribbean waters.

Caño Negro Wildlife Refuge is a wetland reserve in northern Costa Rica, in Alajuela Province near the Nicaraguan border. The protected area covers lowland forests, rivers, lagoons, marshes, and seasonal waterways within the basin of the Frío River. Its largest water body, Caño Negro Lagoon, is fed by freshwater rivers and changes considerably with seasonal rainfall.

Macao, a Special Administrative Region of China, is known for its distinctive blend of Portuguese and Chinese heritage. Once a Portuguese colony, the city retains historic squares, colonial architecture, and cobblestone streets that contrast with its modern skyline of resorts and entertainment complexes.

The River Nile, most often associated with Egypt and its ancient civilizations, actually flows through eight other countries including Uganda, Ethiopia, Sudan, and Kenya. It is formed by two major tributaries, the White Nile and Blue Nile, and is considered by many to be the longest river in the world when measured from its source waters in Rwanda and Burundi.

Iskanderkul is a mountain lake in western Tajikistan, set in the Fann Mountains of the Sughd Region. The lake occupies a deep basin surrounded by steep, rocky slopes and high peaks, with sparse vegetation covering much of the surrounding terrain. Its waters are fed by mountain streams and drain through the Iskanderdarya River. The lake is named after Alexander the Great, who is associated with several legends connected to the area.