Did you know you can use your smartphone abroad the same way you do at home—without paying roaming charges? Caroline Morse gives you the lowdown.

These days, a small airline needs a distinct niche to succeed—and that typically means providing a service that the giant lines aren't. Here are eight North American airlines that have each found their niche.

They might seem timeless, but many of the world's most treasured sites are in peril.

Find out which indispensable clothes and accessories you need for every summer trip—no matter where you're headed.

Berlin is one of Europe's cheapest and hippest cities. So what are you waiting for? Go now, and don't miss these hidden gems within the city. Visit converted bunkers, dine in hidden restaurants, or even jump off a building (safely)—Berlin has all you need.

Long lines, flight delays, and too-short connections create a world of aggravation in which irritating people are the irksome overlords. Here's our take on the rudest things people do in airports.

Don't fret—there are solutions for packing just about any item. Here's how to win the packing war with the 10 trickiest things you need on your trip, from your suit to your laptop to your favorite wine.