Lake Powell, stretching across the Utah-Arizona border, is one of the largest manmade reservoirs in the United States. Formed by the flooding of Glen Canyon after the completion of the Glen Canyon Dam in 1963, it covers over 180 miles in length and contains nearly 2,000 miles of shoreline, more than the entire West Coast of the U.S. Despite its modern origins, the area has long been home to the Ancestral Puebloans and later Navajo communities.

Rothenburg ob der Tauber rises above the Tauber River in Bavaria, where its medieval town center has stood largely unchanged for centuries, making it one of Germany’s most vivid windows into the past. This old walled city stretches along cobblestone streets where half-timbered houses, ancient towers, and narrow alleys invite visitors to wander and imagine life in the Middle Ages.

Central African Republic, republic in central Africa, bordered on the north by Chad, on the east by Sudan, on the south by Zaire and the Republic of the Congo, and on the west by Cameroon. The landlocked nation has an area of 622,436 sq. km (about 240,323 sq. mi). Bangui is the capital and largest city.

Montgomery, capital of Alabama and seat of Montgomery County, a port on the Alabama River, in the central part of the state. Montgomery is the site of Alabama State University (1874), Auburn University at Montgomery (1967), Huntingdon College (1854), Troy State University at Montgomery (1966), Faulken University (1942), and a junior college.

Ometepe is an island in southwestern Nicaragua, located in Lake Nicaragua and formed by two volcanoes joined by a narrow isthmus. Concepción rises on the northern side of the island, while Maderas occupies the southern section. The island includes the municipalities of Moyogalpa and Altagracia and has a landscape of farms, forests, wetlands, beaches, and rural communities.