Lake Powell is a large reservoir on the Colorado River, extending through northern Arizona and southern Utah within Glen Canyon National Recreation Area. Near the Arizona community of Page, its blue water winds through a maze of red-rock canyons, mesas, cliffs, and narrow side channels. At full pool, the lake stretches about 186 miles and has nearly 2,000 miles of shoreline, although water levels vary considerably. Created by Glen Canyon Dam, Lake Powell is one of the largest man-made lakes in N

Pakistan is a country of remarkable diversity, combining mountains, deserts, rivers, and coastal areas. The northern regions feature some of the world’s highest peaks, including K2, while the southern plains are home to fertile agricultural land and the port city of Karachi.

Gamboa, Panama, was originally built to house employees of the Panama canal. The small town's main attractions are its proximity to significant tracts of relatively undisturbed rainforest, and Pipeline Road, considered one of the best bird watching sites in Central America.

Sudan, located in northeastern Africa, is a country of diverse landscapes, from the vast Sahara Desert in the north to the fertile Nile Valley in the center. The Nile River, one of the world’s longest, runs through the country, shaping both its agriculture and history.

Lagoa do Fogo is a volcanic crater lake on São Miguel Island in Portugal’s Azores archipelago. Set within a protected landscape in the island’s central highlands, the lake occupies a large caldera surrounded by steep slopes covered with native vegetation. Its remote setting and undeveloped shoreline distinguish it from the more settled areas of São Miguel.