How to Celebrate Valentine's Day Around the World

When Valentine's Day rolls around, suggestions abound for where to go and what to do to celebrate your love. Take a sunset hot air balloon ride high above California wine country, anyone? Drive Montana's Going-to-the-Sun road, one of the most romantic routes in the U.S.? Pack up for a ride on a private jet or another of Gadling's Over-the-Top Valentine's Day travel experiences?