Leiden or Leyden, city in the western Netherlands, in Zuid-Holland (South Holland) Province, on the Old Rhine River, near The Hague. Leiden is also the site of the State University of Leiden, one of the oldest and most distinguished universities in Europe. It was the birthplace of several important Dutch painters, including Rembrandt, Jan van Goyen, and Jan Steen. During the 17th century the English settlers who became known as the Pilgrims took refuge in Leiden before leaving for North America.

Lake Ouachita is a large reservoir in west-central Arkansas, surrounded by the forested hills of the Ouachita Mountains. The lake lies within the Ouachita National Forest and has a highly irregular shoreline formed by numerous coves, islands, and wooded peninsulas. Its clear water and undeveloped shoreline distinguish it from many reservoirs in more urbanized parts of the state.

The Mara River in Tanzania is a natural wonder that draws adventurers and wildlife enthusiasts alike. Flowing through the heart of the Serengeti and into Kenya’s Maasai Mara, this river is best known as the lifeblood of the Great Migration. Each year, from July to October, millions of wildebeest, zebras, and gazelles make a perilous crossing of the Mara. It’s a spectacle of nature that leaves visitors in awe, making it one of Africa’s most sought-after safari experiences.

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.

Tobermory is the main settlement on the Isle of Mull in Scotland’s Inner Hebrides, arranged around a sheltered natural harbor on the island’s northeast coast. Its waterfront is lined with brightly painted buildings, many of which house shops, cafés, galleries, restaurants, and guesthouses. The harbor remains active with fishing boats, pleasure craft, and ferries, while the surrounding hills rise behind the town.