The first time I watched my boyfriend, Josh, BASE jump, I was a mess of nerves. We were at the Tombstone in Moab, Utah, a towering, 405-foot cliff in Kane Creek Canyon. I lingered in the parking lot, ...

You are standing at the edge of a cliff. In a few moments, you will jump. Once you take that step off solid ground, you will experience a fleeting free fall until—if all goes to plan—the parachute ...