Aberdare National Park is a 311 square mile sanctuary on an isolated volcanic massif which forms part of the eastern wall of the Rift Valley. Part of the larger forest reserve, the Aberdares are covered with a dense rainforest and provide spectacular views over the Rift Valley. Bird life is abundant with more than 200 species.

This Mesoamerican archaeological site was an important regional center and capital of the Toltec Empire between the fall of Teotihuacan and the rise of Tenochtitlan. Tula contains many impressive sights, including the basalt columns carved in the shape of Toltec warriors on the Pyramid of Quetzalcoatl.

Belgium may be compact, but it offers a surprising variety of experiences shaped by centuries of shifting borders, artistic innovation, and culinary tradition. In Brussels, the Grand Place sets the stage for history and architecture in one square lined with ornate guild halls. The city is also home to the European Union’s headquarters, surrealist painter René Magritte’s former house, and a lively comic book trail that winds through murals of Tintin and other Belgian icons.

Dodoma, the capital of Tanzania, is a city that sits in the heart of the country, surrounded by rolling hills and semi-arid plains.

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.