UPDATE: Now that the temps are dropping, it's high time to get outside and get moving. We've got a handy primer on the best ways to elevate your heart rate, whether you're dig zip-lining or horseback riding. This story was originally published on September 13, 2012.Mother Nature finally listened to our collective “simmer down, now” plea, and we're starting to detect that ever-so-subtle crispness in the air. And, with this newfound balmy weather comes plenty of inspiration to get outside and find a little adventure. Naturally, since we love to help you out, we’ve created a list of super-cool activities and locales to get your frolic on — no matter if "danger" is your middle name, or you prefer to get your thrills on the safer side. Don’t know what to do for a first date? Take a hike — literally. Tired of the treadmill? Try your hand at rock climbing. Whatever you’re into — from the high-octane thrill of kayaking or whitewater rafting, to the relaxing rhythm of canoeing or horseback riding — the District, Maryland, and Virginia offer up a vast range of indoor and outdoor activities that are guaranteed to get you revved up. So, pull your hair into a ponytail, grab your sneaks, and get out there. You go, girl.