These 10 classic treks are for serious walkers. All of them require a sturdy pair of lungs, fit legs and a good amount of preparation. However, all of these trails offer experiences that last a lifetime. In no particular order:
In the Maldives, the all-glass, 12-seat Ithaa restaurant sits 16 feet below sea level, and offers 180-degree views of the stingrays, sharks and snapper fish that swim by.