Postcards from the Edge

Bored by the prospect of another tame holiday spent sipping espresso on a piazza or sunning yourself on a crowded beach? Audacious travelers can now explore rougher, wilder destinations as tour operators cater to an increasingly adventurous clientele. Here are three trips guaranteed to satisfy even the most jaded thrill-seeker.

If you don't mind slogging through thick mud and dense forest, a gorilla-spotting holiday in RWANDA might appeal. Now that relative political stability has returned to the country, it's once again possible to observe mountain gorillas in their natural habitat. Following in researcher Dian Fossey's footsteps, visitors can...