León, central Mexico, in Guanajuato State, in a fertile river valley, at an altitude of about 6000 ft. León is the industrial, commercial, and transportation center for a rich agricultural region and is a shoe-manufacturing center. Founded in 1576, León was a Spanish colonial administrative center.

Tongatapu, the main island of Tonga, is where tradition, history, and the South Pacific’s natural world intersect in quiet and unexpected ways. As the political and cultural center of the Kingdom of Tonga, it is home to the capital city, Nukuʻalofa, as well as ancient royal burial grounds, dramatic coastal blowholes, and friendly villages where daily life unfolds slowly.

Norfolk, the second largest city in Virginia (after Virginia Beach) is located at the mouth of the James, Elizabeth, and Nansemond rivers, near the outlet of Chesapeake Bay on the Atlantic Ocean. With the cities of Hampton, Portsmouth, and Newport News, Norfolk forms the port of Hampton Roads, one of the greatest natural harbors in the world.

Paramaribo, Suriname’s capital, unfolds like a living storybook along the Suriname River, where wooden structures from the 17th and 18th centuries still stand today. This historic heart reveals a rare fusion of Dutch design and local craftsmanship. Visitors can stroll the Waterkant, a riverside avenue, and take in landmarks such as Fort Zeelandia, the neoclassical Reformed Church, and the lofty wooden Cathedral of St. Peter and Paul.

Columbus, city and seat of Muscogee County, western Georgia, a port at the head of the Chattahoochee River, opposite Phenix City, Alabama. Columbus is a regional transportation, trade, cultural, and manufacturing hub. Its many textile, food-processing, and metalworking industries are powered by hydroelectric plants on the Chattahoochee River.