Costa Rica is an adventurer's paradise -- where else can you rappel waterfalls, hike volcanoes, zip-line through the forest and surf, all within miles of each other?
Then back on the bikes to continue an ordeal that started before dawn with 35 miles of orienteering through mountainous terrain, followed by a rappel down a 250-foot cliff.
Chat rooms let readers hash out their favorite ways to cook lobster, behave in a Filipino home or rappel off a cliff, and Ehow gets a 10% to 25% cut of the ads that run nearby.