Big-name cities get all the attention — and all the inflated prices to go along with it. Scroll through Instagram for five minutes and you’ll see the same Eiffel Tower shots, Shibuya Scramble ...

That “off” feeling isn’t just in your head. Experts share how to feel like you again and beat that post-flight slump. Dehydration, from drinking less water and the cabin air, can leave you feeling off ...