Summer in Inuvik brings the surreal experience of the Midnight Sun where the region experiences 56 days of continuous daylight from late May through mid-July. This natural phenomenon creates ideal conditions for exploring the dramatic tundra landscape and the nearby Mackenzie River Delta, one of the largest in North America. Adventurers can paddle through winding channels, spot migratory birds, or visit Tuktoyaktuk via the Inuvik-Tuktoyaktuk Highway.

At Chile's northernmost end, the dizzying railway from high Bolivia comes down to the sea. Arica, the City of Eternal Spring, has a population of 169,000. and is located in the Atacama Desert. See San Marcos Cathedral, designed by Gustave Eiffel, and marvel at Pre-Incan relics in the City Museum. Or leave the city to venutre to the White City of Arequipa, the Incan capital of Cuzco and Machu Picchu and the ancient Inca city in the clouds.

The capital, 450-year-old Asuncion ("Mother of Cities") merits a visit of unhurried nights - that way, you'll have time to sit in the main square and people-watch. The shopping in this grand city of 729,000 is the finest the country offers, and the cathedral and archaeological museum are both highlights. The governmental architecture is interesting; don't miss the Congressional Palace, Customs House and Government Palace (in the style of the Louvre).

An ancient city on the coast of Tunisia, it is the second largest city in the country and an important port, especially for phosphates. With a history of different occupations, it is also a transportation hub.

Ascension island, British dependency of St. Helena, in the South Atlantic Ocean, about midway between Africa and South America and 700 miles northwest of St. Helena. The small, volcanic island was sighted by the Portuguese in 1501, but it was uninhabited until the exile of Napoleon to St. Helena in 1815.