Astrotourism, side-trips from crowded destinations, vacations in cooler places and a strong interest in train travel will all be in play in the year ahead.

A 4,000-year-old stone slab, first discovered over a century ago in France, may be the oldest known map in Europe, according to a new study.

President Trump appears willing to shake up almost every policy area, and a behind-the-scenes E.U. task force has been trying ...