The AT isn't the only long-distance hike.

Even the best vacation can be derailed by a travel emergency. Here are our top 10 worst-case travel scenarios and tips for how to recover and carry on with an unforgettable vacation.

New Yorkers marvel over a UFO hovering above Chelsea.

Visit US National Parks for free on Public Lands Day, Sept. 29.

To experience tapas at their best, tour the streets of Seville, which boast more than 4,000 tapas bars -- roughly one for every 200 locals.

Don't let thieves ruin your trip. Outsmart them with trendy, anti-theft travel gear.

Looking for an unpretentious place to unplug? Head to charming Culebra Island, just 18 miles east of Puerto Rico.

Instead of swallowing exorbitant charges for international cell-phone calls, just download Skype and point yourself to a Wi-Fi hot spot.

Learn how to hit the Vegas clubs like a pro.

Oahu's North Shore is infamous among the surfing set, so it's no wonder the surfing pros come here to show off their skills.

Honaunau Bay is quickly becoming a must-visit Hawaiian destination.

See our 5 favorite Florida island vacations.

Visit the Black Hills of South Dakota in 2016.

Enjoy Vegas on a budget by taking advantage of the deals at hotels, restaurants and even spring-break-specific specials around Sin City.

You can learn a lot about how to survive flight cancellations these days thanks to internet search engines. Just type in "how to survive in prison."