Once, I went to get ice cream with a coworker. I was telling him about the day before, when I’d stepped out of the office and onto Market Street, a busy thoroughfare, to find an elderly man with long gray hair lying on the sidewalk, convulsing. So many passersby were just strolling past as...

If you have an adventurous spirit, you probably love the idea of boldly going where no one has gone before. You’re fascinated by different cultures and you pursue new experiences because it makes you feel alive. When it comes to travel, you’ve camped, glamped, and stamped your...