Imagine a shimmering curtain of iridescent light towering 60 to 100 miles in the sky.  Traveling to view the Aurora Borealis has become a popular option, especially for Japanese newlyweds, who consider witnessing them the greatest of good fortune.

This rain forest draped across an anvil-shaped mountain on Puerto Rico's eastern end is protected by the U.S. Forest Service.

The island has more than two dozen, moderately priced, privately owned inn and guest houses situated in historic buildings.

Named by Juan Ponce de Leon in 1508, the Caribbean's fourth largest island is a rich port indeed.

If you appreciate the joys of gliding across a spectacular, snow-deep valley, Yellowstone in winter is for you.

The establishment of Yellowstone Park in 1872 marked a milestone in mankind's relationship with nature.

Despite decades of creeping familiarity, metric measurements still mystify many Americans.  Here are a few key formulas to simplify foreign conversions.

Set among the Leeward Islands, there's one tiny Caribbean haven that hasn't been overwhelmed by tourism.

Numerous Caribbean nations have set aside great swaths of their territory, both land and sea, as refuges where adventurous travelers can find unique experience.

The line-of-sight sailing along the Windward islands makes for some of the fines yachting in the world.