Alajuela Province, La Fortuna, Costa Rica
hike, rappel, and zip-line through the rainforestArenal Volcano National Park offers more adventure options than any other place I've been. If you like to feel that pit in your stomach when you're about to embark on an activity that slightly scares you then come to Arenal! This photo is from rappelling down a waterfall along the Sky Walk trail, but you can also walk along suspension bridges and zip-line at 50+ miles an hour above its rainforest in the same area. Pretty awesome.