From refreshing whitewater rafting trips down the Colorado River to white knuckle BASE jumping, America has an abundance of adventures that wrench the gut or simply boost your adrenaline. Nominate your favorite adventure as America’s best. Tell us what makes it special. Post images along with your story and encourage your friends to cast their votes, too.

Does Sky Diving give you the biggest adrenaline rush?
Tips:
1) View all of our best adrenaline rushes.
2) We encourage you to share your own experiences after you vote.
Best Adrenaline Rush Nominees

